Finding the Fourth Proportional to 2,651.42, 3,976.58 and 1,007.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,651.42 : 3,976.58 = 1,007.39 : x
2. Step 2: Convert to fraction form
   2,651.42/3,976.58 = 1,007.39/x
3. Step 3: Cross multiply
   2,651.42x = 3,976.58 × 1,007.39
4. Step 4: Simplify right side
   2,651.42x = 4,005,966.93
5. Step 5: Solve for x
   x = 4,005,966.93/2,651.42
6. Step 6: Final answer
   x = 1,510.88