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Finding the Fourth Proportional to 57,082.93, 78,772.50 and 31,590.37

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Solution

The fourth proportional to 57,082.93, 78,772.50 and 31,590.37 is: 43,593.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,082.93 : 78,772.50 = 31,590.37 : x
  2. Step 2: Convert to fraction form
    57,082.93/78,772.50 = 31,590.37/x
  3. Step 3: Cross multiply
    57,082.93x = 78,772.50 × 31,590.37
  4. Step 4: Simplify right side
    57,082.93x = 2,488,452,420.83
  5. Step 5: Solve for x
    x = 2,488,452,420.83/57,082.93
  6. Step 6: Final answer
    x = 43,593.64

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