Finding the Fourth Proportional to 1,841.18, 2,761.85 and 1,108.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,841.18 : 2,761.85 = 1,108.50 : x
2. Step 2: Convert to fraction form
   1,841.18/2,761.85 = 1,108.50/x
3. Step 3: Cross multiply
   1,841.18x = 2,761.85 × 1,108.50
4. Step 4: Simplify right side
   1,841.18x = 3,061,510.73
5. Step 5: Solve for x
   x = 3,061,510.73/1,841.18
6. Step 6: Final answer
   x = 1,662.80