Finding the Fourth Proportional to 11,088.12, 15,280.56 and 7,938.84

Step by Step Solution

1. Step 1: Write the proportion equation
   11,088.12 : 15,280.56 = 7,938.84 : x
2. Step 2: Convert to fraction form
   11,088.12/15,280.56 = 7,938.84/x
3. Step 3: Cross multiply
   11,088.12x = 15,280.56 × 7,938.84
4. Step 4: Simplify right side
   11,088.12x = 121,309,920.95
5. Step 5: Solve for x
   x = 121,309,920.95/11,088.12
6. Step 6: Final answer
   x = 10,940.53