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Finding the Fourth Proportional to 88,309.47, 132,445.66 and 29,131.28

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Solution

The fourth proportional to 88,309.47, 132,445.66 and 29,131.28 is: 43,690.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,309.47 : 132,445.66 = 29,131.28 : x
  2. Step 2: Convert to fraction form
    88,309.47/132,445.66 = 29,131.28/x
  3. Step 3: Cross multiply
    88,309.47x = 132,445.66 × 29,131.28
  4. Step 4: Simplify right side
    88,309.47x = 3,858,310,944.02
  5. Step 5: Solve for x
    x = 3,858,310,944.02/88,309.47
  6. Step 6: Final answer
    x = 43,690.79

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