Finding the Fourth Proportional to 1,940.80, 2,677.83 and 1,144.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,940.80 : 2,677.83 = 1,144.17 : x
2. Step 2: Convert to fraction form
   1,940.80/2,677.83 = 1,144.17/x
3. Step 3: Cross multiply
   1,940.80x = 2,677.83 × 1,144.17
4. Step 4: Simplify right side
   1,940.80x = 3,063,892.75
5. Step 5: Solve for x
   x = 3,063,892.75/1,940.80
6. Step 6: Final answer
   x = 1,578.68