Finding the Fourth Proportional to 1,081.62, 1,492.74 and 662.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,081.62 : 1,492.74 = 662.04 : x
2. Step 2: Convert to fraction form
   1,081.62/1,492.74 = 662.04/x
3. Step 3: Cross multiply
   1,081.62x = 1,492.74 × 662.04
4. Step 4: Simplify right side
   1,081.62x = 988,253.59
5. Step 5: Solve for x
   x = 988,253.59/1,081.62
6. Step 6: Final answer
   x = 913.68