Finding the Fourth Proportional to 2,650.42, 3,974.06 and 1,007.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,650.42 : 3,974.06 = 1,007.08 : x
2. Step 2: Convert to fraction form
   2,650.42/3,974.06 = 1,007.08/x
3. Step 3: Cross multiply
   2,650.42x = 3,974.06 × 1,007.08
4. Step 4: Simplify right side
   2,650.42x = 4,002,188.93
5. Step 5: Solve for x
   x = 4,002,188.93/2,650.42
6. Step 6: Final answer
   x = 1,510.02