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Finding the Fourth Proportional to 211,764.38, 317,655.20 and 53,996.92

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Solution

The fourth proportional to 211,764.38, 317,655.20 and 53,996.92 is: 80,997.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,764.38 : 317,655.20 = 53,996.92 : x
  2. Step 2: Convert to fraction form
    211,764.38/317,655.20 = 53,996.92/x
  3. Step 3: Cross multiply
    211,764.38x = 317,655.20 × 53,996.92
  4. Step 4: Simplify right side
    211,764.38x = 17,152,401,762.84
  5. Step 5: Solve for x
    x = 17,152,401,762.84/211,764.38
  6. Step 6: Final answer
    x = 80,997.58

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