Finding the Fourth Proportional to 12,598.10, 17,382.22 and 8,116.45

Step by Step Solution

1. Step 1: Write the proportion equation
   12,598.10 : 17,382.22 = 8,116.45 : x
2. Step 2: Convert to fraction form
   12,598.10/17,382.22 = 8,116.45/x
3. Step 3: Cross multiply
   12,598.10x = 17,382.22 × 8,116.45
4. Step 4: Simplify right side
   12,598.10x = 141,081,919.52
5. Step 5: Solve for x
   x = 141,081,919.52/12,598.10
6. Step 6: Final answer
   x = 11,198.67