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Finding the Fourth Proportional to 57,117.86, 78,822.63 and 31,967.36

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Solution

The fourth proportional to 57,117.86, 78,822.63 and 31,967.36 is: 44,114.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,117.86 : 78,822.63 = 31,967.36 : x
  2. Step 2: Convert to fraction form
    57,117.86/78,822.63 = 31,967.36/x
  3. Step 3: Cross multiply
    57,117.86x = 78,822.63 × 31,967.36
  4. Step 4: Simplify right side
    57,117.86x = 2,519,750,995.24
  5. Step 5: Solve for x
    x = 2,519,750,995.24/57,117.86
  6. Step 6: Final answer
    x = 44,114.94

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