Finding the Fourth Proportional to 10,255.76, 14,152.94 and 5,540.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,255.76 : 14,152.94 = 5,540.04 : x
2. Step 2: Convert to fraction form
   10,255.76/14,152.94 = 5,540.04/x
3. Step 3: Cross multiply
   10,255.76x = 14,152.94 × 5,540.04
4. Step 4: Simplify right side
   10,255.76x = 78,407,853.72
5. Step 5: Solve for x
   x = 78,407,853.72/10,255.76
6. Step 6: Final answer
   x = 7,645.25