Finding the Fourth Proportional to 11,100.88, 15,321.72 and 7,565.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,100.88 : 15,321.72 = 7,565.52 : x
2. Step 2: Convert to fraction form
   11,100.88/15,321.72 = 7,565.52/x
3. Step 3: Cross multiply
   11,100.88x = 15,321.72 × 7,565.52
4. Step 4: Simplify right side
   11,100.88x = 115,916,779.09
5. Step 5: Solve for x
   x = 115,916,779.09/11,100.88
6. Step 6: Final answer
   x = 10,442.13