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Finding the Fourth Proportional to 12,758.44, 19,134.78 and 4,550.44

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Solution

The fourth proportional to 12,758.44, 19,134.78 and 4,550.44 is: 6,824.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,758.44 : 19,134.78 = 4,550.44 : x
  2. Step 2: Convert to fraction form
    12,758.44/19,134.78 = 4,550.44/x
  3. Step 3: Cross multiply
    12,758.44x = 19,134.78 × 4,550.44
  4. Step 4: Simplify right side
    12,758.44x = 87,071,668.30
  5. Step 5: Solve for x
    x = 87,071,668.30/12,758.44
  6. Step 6: Final answer
    x = 6,824.63

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