Finding the Fourth Proportional to 1,790.19, 2,469.42 and 1,258.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,790.19 : 2,469.42 = 1,258.83 : x
2. Step 2: Convert to fraction form
   1,790.19/2,469.42 = 1,258.83/x
3. Step 3: Cross multiply
   1,790.19x = 2,469.42 × 1,258.83
4. Step 4: Simplify right side
   1,790.19x = 3,108,579.98
5. Step 5: Solve for x
   x = 3,108,579.98/1,790.19
6. Step 6: Final answer
   x = 1,736.45