Finding the Fourth Proportional to 2,568.10, 3,851.24 and 924.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,568.10 : 3,851.24 = 924.20 : x
2. Step 2: Convert to fraction form
   2,568.10/3,851.24 = 924.20/x
3. Step 3: Cross multiply
   2,568.10x = 3,851.24 × 924.20
4. Step 4: Simplify right side
   2,568.10x = 3,559,321.02
5. Step 5: Solve for x
   x = 3,559,321.02/2,568.10
6. Step 6: Final answer
   x = 1,385.98