Finding the Fourth Proportional to 2,796.57, 3,859.37 and 1,601.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,796.57 : 3,859.37 = 1,601.78 : x
2. Step 2: Convert to fraction form
   2,796.57/3,859.37 = 1,601.78/x
3. Step 3: Cross multiply
   2,796.57x = 3,859.37 × 1,601.78
4. Step 4: Simplify right side
   2,796.57x = 6,181,834.37
5. Step 5: Solve for x
   x = 6,181,834.37/2,796.57
6. Step 6: Final answer
   x = 2,210.51