Finding the Fourth Proportional to 1,677.78, 2,517.82 and 754.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,677.78 : 2,517.82 = 754.38 : x
2. Step 2: Convert to fraction form
   1,677.78/2,517.82 = 754.38/x
3. Step 3: Cross multiply
   1,677.78x = 2,517.82 × 754.38
4. Step 4: Simplify right side
   1,677.78x = 1,899,391.17
5. Step 5: Solve for x
   x = 1,899,391.17/1,677.78
6. Step 6: Final answer
   x = 1,132.09