Finding the Fourth Proportional to 8,879.16, 12,255.39 and 5,341.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,879.16 : 12,255.39 = 5,341.69 : x
2. Step 2: Convert to fraction form
   8,879.16/12,255.39 = 5,341.69/x
3. Step 3: Cross multiply
   8,879.16x = 12,255.39 × 5,341.69
4. Step 4: Simplify right side
   8,879.16x = 65,464,463.57
5. Step 5: Solve for x
   x = 65,464,463.57/8,879.16
6. Step 6: Final answer
   x = 7,372.82