Finding the Fourth Proportional to 11,447.12, 15,792.84 and 9,360.08

Step by Step Solution

1. Step 1: Write the proportion equation
   11,447.12 : 15,792.84 = 9,360.08 : x
2. Step 2: Convert to fraction form
   11,447.12/15,792.84 = 9,360.08/x
3. Step 3: Cross multiply
   11,447.12x = 15,792.84 × 9,360.08
4. Step 4: Simplify right side
   11,447.12x = 147,822,245.83
5. Step 5: Solve for x
   x = 147,822,245.83/11,447.12
6. Step 6: Final answer
   x = 12,913.49