Finding the Fourth Proportional to 2,568.90, 3,851.01 and 925.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,568.90 : 3,851.01 = 925.07 : x
2. Step 2: Convert to fraction form
   2,568.90/3,851.01 = 925.07/x
3. Step 3: Cross multiply
   2,568.90x = 3,851.01 × 925.07
4. Step 4: Simplify right side
   2,568.90x = 3,562,434.57
5. Step 5: Solve for x
   x = 3,562,434.57/2,568.90
6. Step 6: Final answer
   x = 1,386.75