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Finding the Fourth Proportional to 83,066.65, 124,618.20 and 26,897.20

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Solution

The fourth proportional to 83,066.65, 124,618.20 and 26,897.20 is: 40,351.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,066.65 : 124,618.20 = 26,897.20 : x
  2. Step 2: Convert to fraction form
    83,066.65/124,618.20 = 26,897.20/x
  3. Step 3: Cross multiply
    83,066.65x = 124,618.20 × 26,897.20
  4. Step 4: Simplify right side
    83,066.65x = 3,351,880,649.04
  5. Step 5: Solve for x
    x = 3,351,880,649.04/83,066.65
  6. Step 6: Final answer
    x = 40,351.70

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