Finding the Fourth Proportional to 11,581.71, 17,372.10 and 8,061.56

Step by Step Solution

1. Step 1: Write the proportion equation
   11,581.71 : 17,372.10 = 8,061.56 : x
2. Step 2: Convert to fraction form
   11,581.71/17,372.10 = 8,061.56/x
3. Step 3: Cross multiply
   11,581.71x = 17,372.10 × 8,061.56
4. Step 4: Simplify right side
   11,581.71x = 140,046,139.62
5. Step 5: Solve for x
   x = 140,046,139.62/11,581.71
6. Step 6: Final answer
   x = 12,092.01