Finding the Fourth Proportional to 2,492.51, 3,738.42 and 1,322

Step by Step Solution

1. Step 1: Write the proportion equation
   2,492.51 : 3,738.42 = 1,322 : x
2. Step 2: Convert to fraction form
   2,492.51/3,738.42 = 1,322/x
3. Step 3: Cross multiply
   2,492.51x = 3,738.42 × 1,322
4. Step 4: Simplify right side
   2,492.51x = 4,942,191.24
5. Step 5: Solve for x
   x = 4,942,191.24/2,492.51
6. Step 6: Final answer
   x = 1,982.82