Finding the Fourth Proportional to 2,568.09, 3,853.76 and 924.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,568.09 : 3,853.76 = 924.60 : x
2. Step 2: Convert to fraction form
   2,568.09/3,853.76 = 924.60/x
3. Step 3: Cross multiply
   2,568.09x = 3,853.76 × 924.60
4. Step 4: Simplify right side
   2,568.09x = 3,563,181.87
5. Step 5: Solve for x
   x = 3,563,181.87/2,568.09
6. Step 6: Final answer
   x = 1,387.48