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Finding the Fourth Proportional to 124,372.56, 171,638.28 and 67,785.96

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Solution

The fourth proportional to 124,372.56, 171,638.28 and 67,785.96 is: 93,546.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,372.56 : 171,638.28 = 67,785.96 : x
  2. Step 2: Convert to fraction form
    124,372.56/171,638.28 = 67,785.96/x
  3. Step 3: Cross multiply
    124,372.56x = 171,638.28 × 67,785.96
  4. Step 4: Simplify right side
    124,372.56x = 11,634,665,582.55
  5. Step 5: Solve for x
    x = 11,634,665,582.55/124,372.56
  6. Step 6: Final answer
    x = 93,546.89

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