Finding the Fourth Proportional to 11,325.29, 15,599.59 and 7,916.27

Step by Step Solution

1. Step 1: Write the proportion equation
   11,325.29 : 15,599.59 = 7,916.27 : x
2. Step 2: Convert to fraction form
   11,325.29/15,599.59 = 7,916.27/x
3. Step 3: Cross multiply
   11,325.29x = 15,599.59 × 7,916.27
4. Step 4: Simplify right side
   11,325.29x = 123,490,468.54
5. Step 5: Solve for x
   x = 123,490,468.54/11,325.29
6. Step 6: Final answer
   x = 10,903.96