Finding the Fourth Proportional to 2,493.12, 3,740.27 and 1,398.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,493.12 : 3,740.27 = 1,398.24 : x
2. Step 2: Convert to fraction form
   2,493.12/3,740.27 = 1,398.24/x
3. Step 3: Cross multiply
   2,493.12x = 3,740.27 × 1,398.24
4. Step 4: Simplify right side
   2,493.12x = 5,229,788.13
5. Step 5: Solve for x
   x = 5,229,788.13/2,493.12
6. Step 6: Final answer
   x = 2,097.69