Finding the Fourth Proportional to 12,481.83, 17,227.81 and 7,179.70

Step by Step Solution

1. Step 1: Write the proportion equation
   12,481.83 : 17,227.81 = 7,179.70 : x
2. Step 2: Convert to fraction form
   12,481.83/17,227.81 = 7,179.70/x
3. Step 3: Cross multiply
   12,481.83x = 17,227.81 × 7,179.70
4. Step 4: Simplify right side
   12,481.83x = 123,690,507.46
5. Step 5: Solve for x
   x = 123,690,507.46/12,481.83
6. Step 6: Final answer
   x = 9,909.65