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Finding the Fourth Proportional to 83,028.70, 124,530.90 and 23,858.20

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Solution

The fourth proportional to 83,028.70, 124,530.90 and 23,858.20 is: 35,783.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,028.70 : 124,530.90 = 23,858.20 : x
  2. Step 2: Convert to fraction form
    83,028.70/124,530.90 = 23,858.20/x
  3. Step 3: Cross multiply
    83,028.70x = 124,530.90 × 23,858.20
  4. Step 4: Simplify right side
    83,028.70x = 2,971,083,118.38
  5. Step 5: Solve for x
    x = 2,971,083,118.38/83,028.70
  6. Step 6: Final answer
    x = 35,783.81

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