Finding the Fourth Proportional to 2,281.29, 3,146.61 and 1,397.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,281.29 : 3,146.61 = 1,397.53 : x
2. Step 2: Convert to fraction form
   2,281.29/3,146.61 = 1,397.53/x
3. Step 3: Cross multiply
   2,281.29x = 3,146.61 × 1,397.53
4. Step 4: Simplify right side
   2,281.29x = 4,397,481.87
5. Step 5: Solve for x
   x = 4,397,481.87/2,281.29
6. Step 6: Final answer
   x = 1,927.63