Finding the Fourth Proportional to 10,952.52, 15,099.20 and 9,258.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,952.52 : 15,099.20 = 9,258.04 : x
2. Step 2: Convert to fraction form
   10,952.52/15,099.20 = 9,258.04/x
3. Step 3: Cross multiply
   10,952.52x = 15,099.20 × 9,258.04
4. Step 4: Simplify right side
   10,952.52x = 139,788,997.57
5. Step 5: Solve for x
   x = 139,788,997.57/10,952.52
6. Step 6: Final answer
   x = 12,763.18