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Finding the Fourth Proportional to 66,371.40, 91,567.80 and 43,723.80

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Solution

The fourth proportional to 66,371.40, 91,567.80 and 43,723.80 is: 60,322.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,371.40 : 91,567.80 = 43,723.80 : x
  2. Step 2: Convert to fraction form
    66,371.40/91,567.80 = 43,723.80/x
  3. Step 3: Cross multiply
    66,371.40x = 91,567.80 × 43,723.80
  4. Step 4: Simplify right side
    66,371.40x = 4,003,692,173.64
  5. Step 5: Solve for x
    x = 4,003,692,173.64/66,371.40
  6. Step 6: Final answer
    x = 60,322.55

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