Finding the Fourth Proportional to 1,940.16, 2,677.60 and 1,100.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,940.16 : 2,677.60 = 1,100.96 : x
2. Step 2: Convert to fraction form
   1,940.16/2,677.60 = 1,100.96/x
3. Step 3: Cross multiply
   1,940.16x = 2,677.60 × 1,100.96
4. Step 4: Simplify right side
   1,940.16x = 2,947,930.50
5. Step 5: Solve for x
   x = 2,947,930.50/1,940.16
6. Step 6: Final answer
   x = 1,519.43