Finding the Fourth Proportional to 2,281.59, 3,146.85 and 1,722.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,281.59 : 3,146.85 = 1,722.15 : x
2. Step 2: Convert to fraction form
   2,281.59/3,146.85 = 1,722.15/x
3. Step 3: Cross multiply
   2,281.59x = 3,146.85 × 1,722.15
4. Step 4: Simplify right side
   2,281.59x = 5,419,347.73
5. Step 5: Solve for x
   x = 5,419,347.73/2,281.59
6. Step 6: Final answer
   x = 2,375.25