Finding the Fourth Proportional to 3,373.83, 5,057.49 and 2,138.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,373.83 : 5,057.49 = 2,138.16 : x
2. Step 2: Convert to fraction form
   3,373.83/5,057.49 = 2,138.16/x
3. Step 3: Cross multiply
   3,373.83x = 5,057.49 × 2,138.16
4. Step 4: Simplify right side
   3,373.83x = 10,813,722.82
5. Step 5: Solve for x
   x = 10,813,722.82/3,373.83
6. Step 6: Final answer
   x = 3,205.18