Finding the Fourth Proportional to 2,651.28, 3,976.02 and 1,007.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,651.28 : 3,976.02 = 1,007.43 : x
2. Step 2: Convert to fraction form
   2,651.28/3,976.02 = 1,007.43/x
3. Step 3: Cross multiply
   2,651.28x = 3,976.02 × 1,007.43
4. Step 4: Simplify right side
   2,651.28x = 4,005,561.83
5. Step 5: Solve for x
   x = 4,005,561.83/2,651.28
6. Step 6: Final answer
   x = 1,510.80