Finding the Fourth Proportional to 2,651.57, 3,974.99 and 1,007.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,651.57 : 3,974.99 = 1,007.00 : x
2. Step 2: Convert to fraction form
   2,651.57/3,974.99 = 1,007.00/x
3. Step 3: Cross multiply
   2,651.57x = 3,974.99 × 1,007.00
4. Step 4: Simplify right side
   2,651.57x = 4,002,790.02
5. Step 5: Solve for x
   x = 4,002,790.02/2,651.57
6. Step 6: Final answer
   x = 1,509.60