Finding the Fourth Proportional to 11,419.24, 15,761.28 and 7,832.56

Step by Step Solution

1. Step 1: Write the proportion equation
   11,419.24 : 15,761.28 = 7,832.56 : x
2. Step 2: Convert to fraction form
   11,419.24/15,761.28 = 7,832.56/x
3. Step 3: Cross multiply
   11,419.24x = 15,761.28 × 7,832.56
4. Step 4: Simplify right side
   11,419.24x = 123,451,171.28
5. Step 5: Solve for x
   x = 123,451,171.28/11,419.24
6. Step 6: Final answer
   x = 10,810.80