Finding the Fourth Proportional to 1,083.50, 1,494.78 and 710.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,083.50 : 1,494.78 = 710.02 : x
2. Step 2: Convert to fraction form
   1,083.50/1,494.78 = 710.02/x
3. Step 3: Cross multiply
   1,083.50x = 1,494.78 × 710.02
4. Step 4: Simplify right side
   1,083.50x = 1,061,323.70
5. Step 5: Solve for x
   x = 1,061,323.70/1,083.50
6. Step 6: Final answer
   x = 979.53