Finding the Fourth Proportional to 2,399.17, 3,310.42 and 1,404.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,399.17 : 3,310.42 = 1,404.46 : x
2. Step 2: Convert to fraction form
   2,399.17/3,310.42 = 1,404.46/x
3. Step 3: Cross multiply
   2,399.17x = 3,310.42 × 1,404.46
4. Step 4: Simplify right side
   2,399.17x = 4,649,365.04
5. Step 5: Solve for x
   x = 4,649,365.04/2,399.17
6. Step 6: Final answer
   x = 1,937.91