Finding the Fourth Proportional to 3,658.07, 5,046.81 and 2,085.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,658.07 : 5,046.81 = 2,085.25 : x
2. Step 2: Convert to fraction form
   3,658.07/5,046.81 = 2,085.25/x
3. Step 3: Cross multiply
   3,658.07x = 5,046.81 × 2,085.25
4. Step 4: Simplify right side
   3,658.07x = 10,523,860.55
5. Step 5: Solve for x
   x = 10,523,860.55/3,658.07
6. Step 6: Final answer
   x = 2,876.89