Finding the Fourth Proportional to 11,096.85, 15,308.82 and 7,315.17

Step by Step Solution

1. Step 1: Write the proportion equation
   11,096.85 : 15,308.82 = 7,315.17 : x
2. Step 2: Convert to fraction form
   11,096.85/15,308.82 = 7,315.17/x
3. Step 3: Cross multiply
   11,096.85x = 15,308.82 × 7,315.17
4. Step 4: Simplify right side
   11,096.85x = 111,986,620.80
5. Step 5: Solve for x
   x = 111,986,620.80/11,096.85
6. Step 6: Final answer
   x = 10,091.75