Finding the Fourth Proportional to 11,131.02, 15,352.11 and 7,152.48

Step by Step Solution

1. Step 1: Write the proportion equation
   11,131.02 : 15,352.11 = 7,152.48 : x
2. Step 2: Convert to fraction form
   11,131.02/15,352.11 = 7,152.48/x
3. Step 3: Cross multiply
   11,131.02x = 15,352.11 × 7,152.48
4. Step 4: Simplify right side
   11,131.02x = 109,805,659.73
5. Step 5: Solve for x
   x = 109,805,659.73/11,131.02
6. Step 6: Final answer
   x = 9,864.83