Finding the Fourth Proportional to 2,097.90, 2,894.67 and 1,258.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,097.90 : 2,894.67 = 1,258.38 : x
2. Step 2: Convert to fraction form
   2,097.90/2,894.67 = 1,258.38/x
3. Step 3: Cross multiply
   2,097.90x = 2,894.67 × 1,258.38
4. Step 4: Simplify right side
   2,097.90x = 3,642,594.83
5. Step 5: Solve for x
   x = 3,642,594.83/2,097.90
6. Step 6: Final answer
   x = 1,736.31