Finding the Fourth Proportional to 2,569.58, 3,854.60 and 926.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,569.58 : 3,854.60 = 926.29 : x
2. Step 2: Convert to fraction form
   2,569.58/3,854.60 = 926.29/x
3. Step 3: Cross multiply
   2,569.58x = 3,854.60 × 926.29
4. Step 4: Simplify right side
   2,569.58x = 3,570,477.43
5. Step 5: Solve for x
   x = 3,570,477.43/2,569.58
6. Step 6: Final answer
   x = 1,389.52