Finding the Fourth Proportional to 2,700.62, 4,051.20 and 752.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,700.62 : 4,051.20 = 752.82 : x
2. Step 2: Convert to fraction form
   2,700.62/4,051.20 = 752.82/x
3. Step 3: Cross multiply
   2,700.62x = 4,051.20 × 752.82
4. Step 4: Simplify right side
   2,700.62x = 3,049,824.38
5. Step 5: Solve for x
   x = 3,049,824.38/2,700.62
6. Step 6: Final answer
   x = 1,129.31