Finding the Fourth Proportional to 2,568.48, 3,851.58 and 1,007.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,568.48 : 3,851.58 = 1,007.61 : x
2. Step 2: Convert to fraction form
   2,568.48/3,851.58 = 1,007.61/x
3. Step 3: Cross multiply
   2,568.48x = 3,851.58 × 1,007.61
4. Step 4: Simplify right side
   2,568.48x = 3,880,890.52
5. Step 5: Solve for x
   x = 3,880,890.52/2,568.48
6. Step 6: Final answer
   x = 1,510.97