Finding the Fourth Proportional to 2,300.57, 3,452.58 and 1,685.85

Step by Step Solution

1. Step 1: Write the proportion equation
   2,300.57 : 3,452.58 = 1,685.85 : x
2. Step 2: Convert to fraction form
   2,300.57/3,452.58 = 1,685.85/x
3. Step 3: Cross multiply
   2,300.57x = 3,452.58 × 1,685.85
4. Step 4: Simplify right side
   2,300.57x = 5,820,531.99
5. Step 5: Solve for x
   x = 5,820,531.99/2,300.57
6. Step 6: Final answer
   x = 2,530.04