Finding the Fourth Proportional to 3,868.02, 5,796.81 and 2,108.70

Step by Step Solution

1. Step 1: Write the proportion equation
   3,868.02 : 5,796.81 = 2,108.70 : x
2. Step 2: Convert to fraction form
   3,868.02/5,796.81 = 2,108.70/x
3. Step 3: Cross multiply
   3,868.02x = 5,796.81 × 2,108.70
4. Step 4: Simplify right side
   3,868.02x = 12,223,733.25
5. Step 5: Solve for x
   x = 12,223,733.25/3,868.02
6. Step 6: Final answer
   x = 3,160.20