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Finding the Fourth Proportional to 115,599.60, 173,399.40 and 36,721.80

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Solution

The fourth proportional to 115,599.60, 173,399.40 and 36,721.80 is: 55,082.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,599.60 : 173,399.40 = 36,721.80 : x
  2. Step 2: Convert to fraction form
    115,599.60/173,399.40 = 36,721.80/x
  3. Step 3: Cross multiply
    115,599.60x = 173,399.40 × 36,721.80
  4. Step 4: Simplify right side
    115,599.60x = 6,367,538,086.92
  5. Step 5: Solve for x
    x = 6,367,538,086.92/115,599.60
  6. Step 6: Final answer
    x = 55,082.70

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