Finding the Fourth Proportional to 2,340.50, 3,512.70 and 1,108.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,340.50 : 3,512.70 = 1,108.76 : x
2. Step 2: Convert to fraction form
   2,340.50/3,512.70 = 1,108.76/x
3. Step 3: Cross multiply
   2,340.50x = 3,512.70 × 1,108.76
4. Step 4: Simplify right side
   2,340.50x = 3,894,723.69
5. Step 5: Solve for x
   x = 3,894,723.69/2,340.50
6. Step 6: Final answer
   x = 1,664.06