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Finding the Fourth Proportional to 57,945.77, 86,771.63 and 48,561.11

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Solution

The fourth proportional to 57,945.77, 86,771.63 and 48,561.11 is: 72,718.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,945.77 : 86,771.63 = 48,561.11 : x
  2. Step 2: Convert to fraction form
    57,945.77/86,771.63 = 48,561.11/x
  3. Step 3: Cross multiply
    57,945.77x = 86,771.63 × 48,561.11
  4. Step 4: Simplify right side
    57,945.77x = 4,213,726,669.31
  5. Step 5: Solve for x
    x = 4,213,726,669.31/57,945.77
  6. Step 6: Final answer
    x = 72,718.45

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