Finding the Fourth Proportional to 2,492.54, 3,732.12 and 1,393.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,492.54 : 3,732.12 = 1,393.78 : x
2. Step 2: Convert to fraction form
   2,492.54/3,732.12 = 1,393.78/x
3. Step 3: Cross multiply
   2,492.54x = 3,732.12 × 1,393.78
4. Step 4: Simplify right side
   2,492.54x = 5,201,735.55
5. Step 5: Solve for x
   x = 5,201,735.55/2,492.54
6. Step 6: Final answer
   x = 2,086.92