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Finding the Fourth Proportional to 86,612.40, 129,922.65 and 27,452.70

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Solution

The fourth proportional to 86,612.40, 129,922.65 and 27,452.70 is: 41,180.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,612.40 : 129,922.65 = 27,452.70 : x
  2. Step 2: Convert to fraction form
    86,612.40/129,922.65 = 27,452.70/x
  3. Step 3: Cross multiply
    86,612.40x = 129,922.65 × 27,452.70
  4. Step 4: Simplify right side
    86,612.40x = 3,566,727,533.66
  5. Step 5: Solve for x
    x = 3,566,727,533.66/86,612.40
  6. Step 6: Final answer
    x = 41,180.33

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