Finding the Fourth Proportional to 1,081.50, 1,492.02 and 708.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,081.50 : 1,492.02 = 708.02 : x
2. Step 2: Convert to fraction form
   1,081.50/1,492.02 = 708.02/x
3. Step 3: Cross multiply
   1,081.50x = 1,492.02 × 708.02
4. Step 4: Simplify right side
   1,081.50x = 1,056,373.94
5. Step 5: Solve for x
   x = 1,056,373.94/1,081.50
6. Step 6: Final answer
   x = 976.77