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Finding the Fourth Proportional to 106,555.59, 147,040.97 and 66,268.22

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Solution

The fourth proportional to 106,555.59, 147,040.97 and 66,268.22 is: 91,446.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,555.59 : 147,040.97 = 66,268.22 : x
  2. Step 2: Convert to fraction form
    106,555.59/147,040.97 = 66,268.22/x
  3. Step 3: Cross multiply
    106,555.59x = 147,040.97 × 66,268.22
  4. Step 4: Simplify right side
    106,555.59x = 9,744,142,282.43
  5. Step 5: Solve for x
    x = 9,744,142,282.43/106,555.59
  6. Step 6: Final answer
    x = 91,446.56

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