Finding the Fourth Proportional to 11,086.88, 15,302.49 and 7,310.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,086.88 : 15,302.49 = 7,310.72 : x
2. Step 2: Convert to fraction form
   11,086.88/15,302.49 = 7,310.72/x
3. Step 3: Cross multiply
   11,086.88x = 15,302.49 × 7,310.72
4. Step 4: Simplify right side
   11,086.88x = 111,872,230.53
5. Step 5: Solve for x
   x = 111,872,230.53/11,086.88
6. Step 6: Final answer
   x = 10,090.51