Finding the Fourth Proportional to 2,493.56, 3,741.18 and 1,398.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,493.56 : 3,741.18 = 1,398.80 : x
2. Step 2: Convert to fraction form
   2,493.56/3,741.18 = 1,398.80/x
3. Step 3: Cross multiply
   2,493.56x = 3,741.18 × 1,398.80
4. Step 4: Simplify right side
   2,493.56x = 5,233,162.58
5. Step 5: Solve for x
   x = 5,233,162.58/2,493.56
6. Step 6: Final answer
   x = 2,098.67