Finding the Fourth Proportional to 2,398.73, 3,310.32 and 1,404.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,398.73 : 3,310.32 = 1,404.05 : x
2. Step 2: Convert to fraction form
   2,398.73/3,310.32 = 1,404.05/x
3. Step 3: Cross multiply
   2,398.73x = 3,310.32 × 1,404.05
4. Step 4: Simplify right side
   2,398.73x = 4,647,838.24
5. Step 5: Solve for x
   x = 4,647,838.24/2,398.73
6. Step 6: Final answer
   x = 1,937.63