Finding the Fourth Proportional to 1,705.71, 2,354.48 and 1,258.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,705.71 : 2,354.48 = 1,258.10 : x
2. Step 2: Convert to fraction form
   1,705.71/2,354.48 = 1,258.10/x
3. Step 3: Cross multiply
   1,705.71x = 2,354.48 × 1,258.10
4. Step 4: Simplify right side
   1,705.71x = 2,962,180.32
5. Step 5: Solve for x
   x = 2,962,180.32/1,705.71
6. Step 6: Final answer
   x = 1,736.63