Finding the Fourth Proportional to 3,534.92, 5,294.18 and 3,411.91

Step by Step Solution

1. Step 1: Write the proportion equation
   3,534.92 : 5,294.18 = 3,411.91 : x
2. Step 2: Convert to fraction form
   3,534.92/5,294.18 = 3,411.91/x
3. Step 3: Cross multiply
   3,534.92x = 5,294.18 × 3,411.91
4. Step 4: Simplify right side
   3,534.92x = 18,063,222.15
5. Step 5: Solve for x
   x = 18,063,222.15/3,534.92
6. Step 6: Final answer
   x = 5,109.94