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Finding the Fourth Proportional to 66,672.60, 100,227.60 and 47,086.80

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Solution

The fourth proportional to 66,672.60, 100,227.60 and 47,086.80 is: 70,784.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,672.60 : 100,227.60 = 47,086.80 : x
  2. Step 2: Convert to fraction form
    66,672.60/100,227.60 = 47,086.80/x
  3. Step 3: Cross multiply
    66,672.60x = 100,227.60 × 47,086.80
  4. Step 4: Simplify right side
    66,672.60x = 4,719,396,955.68
  5. Step 5: Solve for x
    x = 4,719,396,955.68/66,672.60
  6. Step 6: Final answer
    x = 70,784.65

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