Finding the Fourth Proportional to 2,492.40, 3,738.72 and 1,395.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,492.40 : 3,738.72 = 1,395.96 : x
2. Step 2: Convert to fraction form
   2,492.40/3,738.72 = 1,395.96/x
3. Step 3: Cross multiply
   2,492.40x = 3,738.72 × 1,395.96
4. Step 4: Simplify right side
   2,492.40x = 5,219,103.57
5. Step 5: Solve for x
   x = 5,219,103.57/2,492.40
6. Step 6: Final answer
   x = 2,094.01