Finding the Fourth Proportional to 2,399.13, 3,310.94 and 1,601.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,399.13 : 3,310.94 = 1,601.08 : x
2. Step 2: Convert to fraction form
   2,399.13/3,310.94 = 1,601.08/x
3. Step 3: Cross multiply
   2,399.13x = 3,310.94 × 1,601.08
4. Step 4: Simplify right side
   2,399.13x = 5,301,079.82
5. Step 5: Solve for x
   x = 5,301,079.82/2,399.13
6. Step 6: Final answer
   x = 2,209.58