Finding the Fourth Proportional to 12,581.91, 17,341.61 and 8,596.13

Step by Step Solution

1. Step 1: Write the proportion equation
   12,581.91 : 17,341.61 = 8,596.13 : x
2. Step 2: Convert to fraction form
   12,581.91/17,341.61 = 8,596.13/x
3. Step 3: Cross multiply
   12,581.91x = 17,341.61 × 8,596.13
4. Step 4: Simplify right side
   12,581.91x = 149,070,604.28
5. Step 5: Solve for x
   x = 149,070,604.28/12,581.91
6. Step 6: Final answer
   x = 11,848.01