Finding the Fourth Proportional to 5,401.26, 7,454.34 and 3,411.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,401.26 : 7,454.34 = 3,411.72 : x
2. Step 2: Convert to fraction form
   5,401.26/7,454.34 = 3,411.72/x
3. Step 3: Cross multiply
   5,401.26x = 7,454.34 × 3,411.72
4. Step 4: Simplify right side
   5,401.26x = 25,432,120.86
5. Step 5: Solve for x
   x = 25,432,120.86/5,401.26
6. Step 6: Final answer
   x = 4,708.55