Finding the Fourth Proportional to 1,083.84, 1,494.72 and 710.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,083.84 : 1,494.72 = 710.70 : x
2. Step 2: Convert to fraction form
   1,083.84/1,494.72 = 710.70/x
3. Step 3: Cross multiply
   1,083.84x = 1,494.72 × 710.70
4. Step 4: Simplify right side
   1,083.84x = 1,062,297.50
5. Step 5: Solve for x
   x = 1,062,297.50/1,083.84
6. Step 6: Final answer
   x = 980.12