Finding the Fourth Proportional to 10,162.76, 15,245.28 and 5,779.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,162.76 : 15,245.28 = 5,779.04 : x
2. Step 2: Convert to fraction form
   10,162.76/15,245.28 = 5,779.04/x
3. Step 3: Cross multiply
   10,162.76x = 15,245.28 × 5,779.04
4. Step 4: Simplify right side
   10,162.76x = 88,103,082.93
5. Step 5: Solve for x
   x = 88,103,082.93/10,162.76
6. Step 6: Final answer
   x = 8,669.21