Finding the Fourth Proportional to 2,700.59, 4,050.86 and 752.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,700.59 : 4,050.86 = 752.79 : x
2. Step 2: Convert to fraction form
   2,700.59/4,050.86 = 752.79/x
3. Step 3: Cross multiply
   2,700.59x = 4,050.86 × 752.79
4. Step 4: Simplify right side
   2,700.59x = 3,049,446.90
5. Step 5: Solve for x
   x = 3,049,446.90/2,700.59
6. Step 6: Final answer
   x = 1,129.18