Finding the Fourth Proportional to 9,111.03, 12,573.41 and 5,525.97

Step by Step Solution

1. Step 1: Write the proportion equation
   9,111.03 : 12,573.41 = 5,525.97 : x
2. Step 2: Convert to fraction form
   9,111.03/12,573.41 = 5,525.97/x
3. Step 3: Cross multiply
   9,111.03x = 12,573.41 × 5,525.97
4. Step 4: Simplify right side
   9,111.03x = 69,480,258.83
5. Step 5: Solve for x
   x = 69,480,258.83/9,111.03
6. Step 6: Final answer
   x = 7,625.95