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Finding the Fourth Proportional to 57,399.55, 79,211.31 and 31,905.11

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Solution

The fourth proportional to 57,399.55, 79,211.31 and 31,905.11 is: 44,029.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,399.55 : 79,211.31 = 31,905.11 : x
  2. Step 2: Convert to fraction form
    57,399.55/79,211.31 = 31,905.11/x
  3. Step 3: Cross multiply
    57,399.55x = 79,211.31 × 31,905.11
  4. Step 4: Simplify right side
    57,399.55x = 2,527,245,558.79
  5. Step 5: Solve for x
    x = 2,527,245,558.79/57,399.55
  6. Step 6: Final answer
    x = 44,029.01

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