Finding the Fourth Proportional to 2,406.96, 3,611.66 and 1,108.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.96 : 3,611.66 = 1,108.17 : x
2. Step 2: Convert to fraction form
   2,406.96/3,611.66 = 1,108.17/x
3. Step 3: Cross multiply
   2,406.96x = 3,611.66 × 1,108.17
4. Step 4: Simplify right side
   2,406.96x = 4,002,327.72
5. Step 5: Solve for x
   x = 4,002,327.72/2,406.96
6. Step 6: Final answer
   x = 1,662.81