Finding the Fourth Proportional to 2,700.45, 4,050.72 and 752.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,700.45 : 4,050.72 = 752.67 : x
2. Step 2: Convert to fraction form
   2,700.45/4,050.72 = 752.67/x
3. Step 3: Cross multiply
   2,700.45x = 4,050.72 × 752.67
4. Step 4: Simplify right side
   2,700.45x = 3,048,855.42
5. Step 5: Solve for x
   x = 3,048,855.42/2,700.45
6. Step 6: Final answer
   x = 1,129.02