Finding the Fourth Proportional to 2,493.39, 3,440.68 and 1,374.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,493.39 : 3,440.68 = 1,374.30 : x
2. Step 2: Convert to fraction form
   2,493.39/3,440.68 = 1,374.30/x
3. Step 3: Cross multiply
   2,493.39x = 3,440.68 × 1,374.30
4. Step 4: Simplify right side
   2,493.39x = 4,728,526.52
5. Step 5: Solve for x
   x = 4,728,526.52/2,493.39
6. Step 6: Final answer
   x = 1,896.42