Finding the Fourth Proportional to 2,585.04, 3,876.24 and 1,353.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,585.04 : 3,876.24 = 1,353.12 : x
2. Step 2: Convert to fraction form
   2,585.04/3,876.24 = 1,353.12/x
3. Step 3: Cross multiply
   2,585.04x = 3,876.24 × 1,353.12
4. Step 4: Simplify right side
   2,585.04x = 5,245,017.87
5. Step 5: Solve for x
   x = 5,245,017.87/2,585.04
6. Step 6: Final answer
   x = 2,028.99