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Finding the Fourth Proportional to 106,568.55, 147,117.83 and 66,295.40

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Solution

The fourth proportional to 106,568.55, 147,117.83 and 66,295.40 is: 91,520.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,568.55 : 147,117.83 = 66,295.40 : x
  2. Step 2: Convert to fraction form
    106,568.55/147,117.83 = 66,295.40/x
  3. Step 3: Cross multiply
    106,568.55x = 147,117.83 × 66,295.40
  4. Step 4: Simplify right side
    106,568.55x = 9,753,235,386.98
  5. Step 5: Solve for x
    x = 9,753,235,386.98/106,568.55
  6. Step 6: Final answer
    x = 91,520.77

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