Finding the Fourth Proportional to 3,936.52, 5,897.10 and 2,085.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,936.52 : 5,897.10 = 2,085.10 : x
2. Step 2: Convert to fraction form
   3,936.52/5,897.10 = 2,085.10/x
3. Step 3: Cross multiply
   3,936.52x = 5,897.10 × 2,085.10
4. Step 4: Simplify right side
   3,936.52x = 12,296,043.21
5. Step 5: Solve for x
   x = 12,296,043.21/3,936.52
6. Step 6: Final answer
   x = 3,123.58