Finding the Fourth Proportional to 2,700.03, 4,049.60 and 751.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,700.03 : 4,049.60 = 751.78 : x
2. Step 2: Convert to fraction form
   2,700.03/4,049.60 = 751.78/x
3. Step 3: Cross multiply
   2,700.03x = 4,049.60 × 751.78
4. Step 4: Simplify right side
   2,700.03x = 3,044,409.59
5. Step 5: Solve for x
   x = 3,044,409.59/2,700.03
6. Step 6: Final answer
   x = 1,127.55