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Finding the Fourth Proportional to 85,508.06, 118,034.42 and 76,540.04

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Solution

The fourth proportional to 85,508.06, 118,034.42 and 76,540.04 is: 105,655.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,508.06 : 118,034.42 = 76,540.04 : x
  2. Step 2: Convert to fraction form
    85,508.06/118,034.42 = 76,540.04/x
  3. Step 3: Cross multiply
    85,508.06x = 118,034.42 × 76,540.04
  4. Step 4: Simplify right side
    85,508.06x = 9,034,358,697.93
  5. Step 5: Solve for x
    x = 9,034,358,697.93/85,508.06
  6. Step 6: Final answer
    x = 105,655.06

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