Finding the Fourth Proportional to 2,275.14, 3,404.79 and 1,397.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,275.14 : 3,404.79 = 1,397.25 : x
2. Step 2: Convert to fraction form
   2,275.14/3,404.79 = 1,397.25/x
3. Step 3: Cross multiply
   2,275.14x = 3,404.79 × 1,397.25
4. Step 4: Simplify right side
   2,275.14x = 4,757,342.83
5. Step 5: Solve for x
   x = 4,757,342.83/2,275.14
6. Step 6: Final answer
   x = 2,091.01