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Finding the Fourth Proportional to 207,729.26, 311,646.45 and 57,969.53

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Solution

The fourth proportional to 207,729.26, 311,646.45 and 57,969.53 is: 86,968.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,729.26 : 311,646.45 = 57,969.53 : x
  2. Step 2: Convert to fraction form
    207,729.26/311,646.45 = 57,969.53/x
  3. Step 3: Cross multiply
    207,729.26x = 311,646.45 × 57,969.53
  4. Step 4: Simplify right side
    207,729.26x = 18,065,996,674.44
  5. Step 5: Solve for x
    x = 18,065,996,674.44/207,729.26
  6. Step 6: Final answer
    x = 86,968.96

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