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Finding the Fourth Proportional to 207,362.70, 311,372.10 and 157,499.10

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Solution

The fourth proportional to 207,362.70, 311,372.10 and 157,499.10 is: 236,497.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,362.70 : 311,372.10 = 157,499.10 : x
  2. Step 2: Convert to fraction form
    207,362.70/311,372.10 = 157,499.10/x
  3. Step 3: Cross multiply
    207,362.70x = 311,372.10 × 157,499.10
  4. Step 4: Simplify right side
    207,362.70x = 49,040,825,515.11
  5. Step 5: Solve for x
    x = 49,040,825,515.11/207,362.70
  6. Step 6: Final answer
    x = 236,497.82

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