Finding the Fourth Proportional to 2,492.28, 3,740.67 and 1,323.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,492.28 : 3,740.67 = 1,323.12 : x
2. Step 2: Convert to fraction form
   2,492.28/3,740.67 = 1,323.12/x
3. Step 3: Cross multiply
   2,492.28x = 3,740.67 × 1,323.12
4. Step 4: Simplify right side
   2,492.28x = 4,949,355.29
5. Step 5: Solve for x
   x = 4,949,355.29/2,492.28
6. Step 6: Final answer
   x = 1,985.87