Finding the Fourth Proportional to 2,568.49, 3,852.65 and 926.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,568.49 : 3,852.65 = 926.10 : x
2. Step 2: Convert to fraction form
   2,568.49/3,852.65 = 926.10/x
3. Step 3: Cross multiply
   2,568.49x = 3,852.65 × 926.10
4. Step 4: Simplify right side
   2,568.49x = 3,567,941.48
5. Step 5: Solve for x
   x = 3,567,941.48/2,568.49
6. Step 6: Final answer
   x = 1,389.12