Finding the Fourth Proportional to 7,108.66, 10,665.27 and 3,411.15

Step by Step Solution

1. Step 1: Write the proportion equation
   7,108.66 : 10,665.27 = 3,411.15 : x
2. Step 2: Convert to fraction form
   7,108.66/10,665.27 = 3,411.15/x
3. Step 3: Cross multiply
   7,108.66x = 10,665.27 × 3,411.15
4. Step 4: Simplify right side
   7,108.66x = 36,380,840.76
5. Step 5: Solve for x
   x = 36,380,840.76/7,108.66
6. Step 6: Final answer
   x = 5,117.82