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Finding the Fourth Proportional to 66,633.68, 91,945.58 and 42,792.64

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Solution

The fourth proportional to 66,633.68, 91,945.58 and 42,792.64 is: 59,048.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,633.68 : 91,945.58 = 42,792.64 : x
  2. Step 2: Convert to fraction form
    66,633.68/91,945.58 = 42,792.64/x
  3. Step 3: Cross multiply
    66,633.68x = 91,945.58 × 42,792.64
  4. Step 4: Simplify right side
    66,633.68x = 3,934,594,104.53
  5. Step 5: Solve for x
    x = 3,934,594,104.53/66,633.68
  6. Step 6: Final answer
    x = 59,048.13

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