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Finding the Fourth Proportional to 104,479.66, 144,177.90 and 56,731.94

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Solution

The fourth proportional to 104,479.66, 144,177.90 and 56,731.94 is: 78,287.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,479.66 : 144,177.90 = 56,731.94 : x
  2. Step 2: Convert to fraction form
    104,479.66/144,177.90 = 56,731.94/x
  3. Step 3: Cross multiply
    104,479.66x = 144,177.90 × 56,731.94
  4. Step 4: Simplify right side
    104,479.66x = 8,179,491,972.13
  5. Step 5: Solve for x
    x = 8,179,491,972.13/104,479.66
  6. Step 6: Final answer
    x = 78,287.89

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