Finding the Fourth Proportional to 2,703.50, 4,055.40 and 755.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,703.50 : 4,055.40 = 755.70 : x
2. Step 2: Convert to fraction form
   2,703.50/4,055.40 = 755.70/x
3. Step 3: Cross multiply
   2,703.50x = 4,055.40 × 755.70
4. Step 4: Simplify right side
   2,703.50x = 3,064,665.78
5. Step 5: Solve for x
   x = 3,064,665.78/2,703.50
6. Step 6: Final answer
   x = 1,133.59