Finding the Fourth Proportional to 11,528.02, 15,916.52 and 8,834.47

Step by Step Solution

1. Step 1: Write the proportion equation
   11,528.02 : 15,916.52 = 8,834.47 : x
2. Step 2: Convert to fraction form
   11,528.02/15,916.52 = 8,834.47/x
3. Step 3: Cross multiply
   11,528.02x = 15,916.52 × 8,834.47
4. Step 4: Simplify right side
   11,528.02x = 140,614,018.44
5. Step 5: Solve for x
   x = 140,614,018.44/11,528.02
6. Step 6: Final answer
   x = 12,197.59