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Finding the Fourth Proportional to 207,573, 311,359.80 and 57,813.72

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Solution

The fourth proportional to 207,573, 311,359.80 and 57,813.72 is: 86,720.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,573 : 311,359.80 = 57,813.72 : x
  2. Step 2: Convert to fraction form
    207,573/311,359.80 = 57,813.72/x
  3. Step 3: Cross multiply
    207,573x = 311,359.80 × 57,813.72
  4. Step 4: Simplify right side
    207,573x = 18,000,868,296.46
  5. Step 5: Solve for x
    x = 18,000,868,296.46/207,573
  6. Step 6: Final answer
    x = 86,720.66

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