Finding the Fourth Proportional to 11,074.88, 16,581.56 and 8,614.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,074.88 : 16,581.56 = 8,614.50 : x
2. Step 2: Convert to fraction form
   11,074.88/16,581.56 = 8,614.50/x
3. Step 3: Cross multiply
   11,074.88x = 16,581.56 × 8,614.50
4. Step 4: Simplify right side
   11,074.88x = 142,841,885.09
5. Step 5: Solve for x
   x = 142,841,885.09/11,074.88
6. Step 6: Final answer
   x = 12,897.83