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Finding the Fourth Proportional to 383,668.72, 529,463.16 and 213,899.44

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Solution

The fourth proportional to 383,668.72, 529,463.16 and 213,899.44 is: 295,181.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,668.72 : 529,463.16 = 213,899.44 : x
  2. Step 2: Convert to fraction form
    383,668.72/529,463.16 = 213,899.44/x
  3. Step 3: Cross multiply
    383,668.72x = 529,463.16 × 213,899.44
  4. Step 4: Simplify right side
    383,668.72x = 113,251,873,424.63
  5. Step 5: Solve for x
    x = 113,251,873,424.63/383,668.72
  6. Step 6: Final answer
    x = 295,181.41

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