Finding the Fourth Proportional to 2,281.98, 3,423.40 and 722.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,281.98 : 3,423.40 = 722.38 : x
2. Step 2: Convert to fraction form
   2,281.98/3,423.40 = 722.38/x
3. Step 3: Cross multiply
   2,281.98x = 3,423.40 × 722.38
4. Step 4: Simplify right side
   2,281.98x = 2,472,983.52
5. Step 5: Solve for x
   x = 2,472,983.52/2,281.98
6. Step 6: Final answer
   x = 1,083.70