Finding the Fourth Proportional to 11,375.28, 15,691.89 and 7,832.34

Step by Step Solution

1. Step 1: Write the proportion equation
   11,375.28 : 15,691.89 = 7,832.34 : x
2. Step 2: Convert to fraction form
   11,375.28/15,691.89 = 7,832.34/x
3. Step 3: Cross multiply
   11,375.28x = 15,691.89 × 7,832.34
4. Step 4: Simplify right side
   11,375.28x = 122,904,217.72
5. Step 5: Solve for x
   x = 122,904,217.72/11,375.28
6. Step 6: Final answer
   x = 10,804.50