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Finding the Fourth Proportional to 284,705.48, 392,878.15 and 157,372.88

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Solution

The fourth proportional to 284,705.48, 392,878.15 and 157,372.88 is: 217,166.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,705.48 : 392,878.15 = 157,372.88 : x
  2. Step 2: Convert to fraction form
    284,705.48/392,878.15 = 157,372.88/x
  3. Step 3: Cross multiply
    284,705.48x = 392,878.15 × 157,372.88
  4. Step 4: Simplify right side
    284,705.48x = 61,828,363,596.75
  5. Step 5: Solve for x
    x = 61,828,363,596.75/284,705.48
  6. Step 6: Final answer
    x = 217,166.04

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