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Finding the Fourth Proportional to 88,658.60, 133,085.10 and 55,416.20

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Solution

The fourth proportional to 88,658.60, 133,085.10 and 55,416.20 is: 83,185.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,658.60 : 133,085.10 = 55,416.20 : x
  2. Step 2: Convert to fraction form
    88,658.60/133,085.10 = 55,416.20/x
  3. Step 3: Cross multiply
    88,658.60x = 133,085.10 × 55,416.20
  4. Step 4: Simplify right side
    88,658.60x = 7,375,070,518.62
  5. Step 5: Solve for x
    x = 7,375,070,518.62/88,658.60
  6. Step 6: Final answer
    x = 83,185.06

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