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Finding the Fourth Proportional to 75,912.40, 113,868.60 and 23,321.80

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Solution

The fourth proportional to 75,912.40, 113,868.60 and 23,321.80 is: 34,982.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,912.40 : 113,868.60 = 23,321.80 : x
  2. Step 2: Convert to fraction form
    75,912.40/113,868.60 = 23,321.80/x
  3. Step 3: Cross multiply
    75,912.40x = 113,868.60 × 23,321.80
  4. Step 4: Simplify right side
    75,912.40x = 2,655,620,715.48
  5. Step 5: Solve for x
    x = 2,655,620,715.48/75,912.40
  6. Step 6: Final answer
    x = 34,982.70

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