Finding the Fourth Proportional to 11,278.76, 15,567.56 and 7,508.24

Step by Step Solution

1. Step 1: Write the proportion equation
   11,278.76 : 15,567.56 = 7,508.24 : x
2. Step 2: Convert to fraction form
   11,278.76/15,567.56 = 7,508.24/x
3. Step 3: Cross multiply
   11,278.76x = 15,567.56 × 7,508.24
4. Step 4: Simplify right side
   11,278.76x = 116,884,976.69
5. Step 5: Solve for x
   x = 116,884,976.69/11,278.76
6. Step 6: Final answer
   x = 10,363.28