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Finding the Fourth Proportional to 424,207.92, 636,297.30 and 108,667.56

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Solution

The fourth proportional to 424,207.92, 636,297.30 and 108,667.56 is: 162,997.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,207.92 : 636,297.30 = 108,667.56 : x
  2. Step 2: Convert to fraction form
    424,207.92/636,297.30 = 108,667.56/x
  3. Step 3: Cross multiply
    424,207.92x = 636,297.30 × 108,667.56
  4. Step 4: Simplify right side
    424,207.92x = 69,144,875,025.59
  5. Step 5: Solve for x
    x = 69,144,875,025.59/424,207.92
  6. Step 6: Final answer
    x = 162,997.61

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