Finding the Fourth Proportional to 2,284.80, 3,427.33 and 724.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,284.80 : 3,427.33 = 724.69 : x
2. Step 2: Convert to fraction form
   2,284.80/3,427.33 = 724.69/x
3. Step 3: Cross multiply
   2,284.80x = 3,427.33 × 724.69
4. Step 4: Simplify right side
   2,284.80x = 2,483,748.15
5. Step 5: Solve for x
   x = 2,483,748.15/2,284.80
6. Step 6: Final answer
   x = 1,087.07