Finding the Fourth Proportional to 1,492.94, 2,061.88 and 997.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,492.94 : 2,061.88 = 997.68 : x
2. Step 2: Convert to fraction form
   1,492.94/2,061.88 = 997.68/x
3. Step 3: Cross multiply
   1,492.94x = 2,061.88 × 997.68
4. Step 4: Simplify right side
   1,492.94x = 2,057,096.44
5. Step 5: Solve for x
   x = 2,057,096.44/1,492.94
6. Step 6: Final answer
   x = 1,377.88