Finding the Fourth Proportional to 12,518.10, 17,276.22 and 7,481.61

Step by Step Solution

1. Step 1: Write the proportion equation
   12,518.10 : 17,276.22 = 7,481.61 : x
2. Step 2: Convert to fraction form
   12,518.10/17,276.22 = 7,481.61/x
3. Step 3: Cross multiply
   12,518.10x = 17,276.22 × 7,481.61
4. Step 4: Simplify right side
   12,518.10x = 129,253,940.31
5. Step 5: Solve for x
   x = 129,253,940.31/12,518.10
6. Step 6: Final answer
   x = 10,325.36