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Finding the Fourth Proportional to 57,163.68, 85,734.72 and 46,134.72

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Solution

The fourth proportional to 57,163.68, 85,734.72 and 46,134.72 is: 69,193.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,163.68 : 85,734.72 = 46,134.72 : x
  2. Step 2: Convert to fraction form
    57,163.68/85,734.72 = 46,134.72/x
  3. Step 3: Cross multiply
    57,163.68x = 85,734.72 × 46,134.72
  4. Step 4: Simplify right side
    57,163.68x = 3,955,347,301.48
  5. Step 5: Solve for x
    x = 3,955,347,301.48/57,163.68
  6. Step 6: Final answer
    x = 69,193.36

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