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Finding the Fourth Proportional to 55,598.12, 76,723.92 and 31,724.36

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Solution

The fourth proportional to 55,598.12, 76,723.92 and 31,724.36 is: 43,778.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,598.12 : 76,723.92 = 31,724.36 : x
  2. Step 2: Convert to fraction form
    55,598.12/76,723.92 = 31,724.36/x
  3. Step 3: Cross multiply
    55,598.12x = 76,723.92 × 31,724.36
  4. Step 4: Simplify right side
    55,598.12x = 2,434,017,258.69
  5. Step 5: Solve for x
    x = 2,434,017,258.69/55,598.12
  6. Step 6: Final answer
    x = 43,778.77

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