Finding the Fourth Proportional to 11,100.24, 15,318.72 and 7,326.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,100.24 : 15,318.72 = 7,326.72 : x
2. Step 2: Convert to fraction form
   11,100.24/15,318.72 = 7,326.72/x
3. Step 3: Cross multiply
   11,100.24x = 15,318.72 × 7,326.72
4. Step 4: Simplify right side
   11,100.24x = 112,235,972.20
5. Step 5: Solve for x
   x = 112,235,972.20/11,100.24
6. Step 6: Final answer
   x = 10,111.13