Finding the Fourth Proportional to 1,282.83, 1,770.17 and 723.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,282.83 : 1,770.17 = 723.29 : x
2. Step 2: Convert to fraction form
   1,282.83/1,770.17 = 723.29/x
3. Step 3: Cross multiply
   1,282.83x = 1,770.17 × 723.29
4. Step 4: Simplify right side
   1,282.83x = 1,280,337.41
5. Step 5: Solve for x
   x = 1,280,337.41/1,282.83
6. Step 6: Final answer
   x = 998.06