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Finding the Fourth Proportional to 72,797.84, 109,177.08 and 31,235.12

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Solution

The fourth proportional to 72,797.84, 109,177.08 and 31,235.12 is: 46,844.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,797.84 : 109,177.08 = 31,235.12 : x
  2. Step 2: Convert to fraction form
    72,797.84/109,177.08 = 31,235.12/x
  3. Step 3: Cross multiply
    72,797.84x = 109,177.08 × 31,235.12
  4. Step 4: Simplify right side
    72,797.84x = 3,410,159,195.05
  5. Step 5: Solve for x
    x = 3,410,159,195.05/72,797.84
  6. Step 6: Final answer
    x = 46,844.24

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