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Finding the Fourth Proportional to 82,396.80, 123,595.20 and 23,231.70

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Solution

The fourth proportional to 82,396.80, 123,595.20 and 23,231.70 is: 34,847.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,396.80 : 123,595.20 = 23,231.70 : x
  2. Step 2: Convert to fraction form
    82,396.80/123,595.20 = 23,231.70/x
  3. Step 3: Cross multiply
    82,396.80x = 123,595.20 × 23,231.70
  4. Step 4: Simplify right side
    82,396.80x = 2,871,326,607.84
  5. Step 5: Solve for x
    x = 2,871,326,607.84/82,396.80
  6. Step 6: Final answer
    x = 34,847.55

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