Finding the Fourth Proportional to 2,651.72, 3,976.38 and 1,007.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,651.72 : 3,976.38 = 1,007.10 : x
2. Step 2: Convert to fraction form
   2,651.72/3,976.38 = 1,007.10/x
3. Step 3: Cross multiply
   2,651.72x = 3,976.38 × 1,007.10
4. Step 4: Simplify right side
   2,651.72x = 4,004,612.30
5. Step 5: Solve for x
   x = 4,004,612.30/2,651.72
6. Step 6: Final answer
   x = 1,510.20