Finding the Fourth Proportional to 2,585.42, 3,880.56 and 1,353.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,585.42 : 3,880.56 = 1,353.71 : x
2. Step 2: Convert to fraction form
   2,585.42/3,880.56 = 1,353.71/x
3. Step 3: Cross multiply
   2,585.42x = 3,880.56 × 1,353.71
4. Step 4: Simplify right side
   2,585.42x = 5,253,160.04
5. Step 5: Solve for x
   x = 5,253,160.04/2,585.42
6. Step 6: Final answer
   x = 2,031.84