Finding the Fourth Proportional to 2,747.50, 4,123.48 and 1,360.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,747.50 : 4,123.48 = 1,360.78 : x
2. Step 2: Convert to fraction form
   2,747.50/4,123.48 = 1,360.78/x
3. Step 3: Cross multiply
   2,747.50x = 4,123.48 × 1,360.78
4. Step 4: Simplify right side
   2,747.50x = 5,611,149.11
5. Step 5: Solve for x
   x = 5,611,149.11/2,747.50
6. Step 6: Final answer
   x = 2,042.27