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Finding the Fourth Proportional to 424,476.28, 636,495.31 and 124,917.96

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Solution

The fourth proportional to 424,476.28, 636,495.31 and 124,917.96 is: 187,312.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,476.28 : 636,495.31 = 124,917.96 : x
  2. Step 2: Convert to fraction form
    424,476.28/636,495.31 = 124,917.96/x
  3. Step 3: Cross multiply
    424,476.28x = 636,495.31 × 124,917.96
  4. Step 4: Simplify right side
    424,476.28x = 79,509,695,674.77
  5. Step 5: Solve for x
    x = 79,509,695,674.77/424,476.28
  6. Step 6: Final answer
    x = 187,312.46

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