Finding the Fourth Proportional to 9,115.15, 12,573.07 and 5,752.03

Step by Step Solution

1. Step 1: Write the proportion equation
   9,115.15 : 12,573.07 = 5,752.03 : x
2. Step 2: Convert to fraction form
   9,115.15/12,573.07 = 5,752.03/x
3. Step 3: Cross multiply
   9,115.15x = 12,573.07 × 5,752.03
4. Step 4: Simplify right side
   9,115.15x = 72,320,675.83
5. Step 5: Solve for x
   x = 72,320,675.83/9,115.15
6. Step 6: Final answer
   x = 7,934.12