Finding the Fourth Proportional to 8,879.29, 12,255.56 and 5,341.81

Step by Step Solution

1. Step 1: Write the proportion equation
   8,879.29 : 12,255.56 = 5,341.81 : x
2. Step 2: Convert to fraction form
   8,879.29/12,255.56 = 5,341.81/x
3. Step 3: Cross multiply
   8,879.29x = 12,255.56 × 5,341.81
4. Step 4: Simplify right side
   8,879.29x = 65,466,872.96
5. Step 5: Solve for x
   x = 65,466,872.96/8,879.29
6. Step 6: Final answer
   x = 7,372.99