Finding the Fourth Proportional to 2,281.94, 3,147.89 and 1,397.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,281.94 : 3,147.89 = 1,397.96 : x
2. Step 2: Convert to fraction form
   2,281.94/3,147.89 = 1,397.96/x
3. Step 3: Cross multiply
   2,281.94x = 3,147.89 × 1,397.96
4. Step 4: Simplify right side
   2,281.94x = 4,400,601.58
5. Step 5: Solve for x
   x = 4,400,601.58/2,281.94
6. Step 6: Final answer
   x = 1,928.45