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Finding the Fourth Proportional to 66,949.80, 100,354.64 and 22,561.22

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Solution

The fourth proportional to 66,949.80, 100,354.64 and 22,561.22 is: 33,818.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,949.80 : 100,354.64 = 22,561.22 : x
  2. Step 2: Convert to fraction form
    66,949.80/100,354.64 = 22,561.22/x
  3. Step 3: Cross multiply
    66,949.80x = 100,354.64 × 22,561.22
  4. Step 4: Simplify right side
    66,949.80x = 2,264,123,111.06
  5. Step 5: Solve for x
    x = 2,264,123,111.06/66,949.80
  6. Step 6: Final answer
    x = 33,818.22

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