Finding the Fourth Proportional to 2,258.67, 3,388.43 and 1,026.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,258.67 : 3,388.43 = 1,026.17 : x
2. Step 2: Convert to fraction form
   2,258.67/3,388.43 = 1,026.17/x
3. Step 3: Cross multiply
   2,258.67x = 3,388.43 × 1,026.17
4. Step 4: Simplify right side
   2,258.67x = 3,477,100.08
5. Step 5: Solve for x
   x = 3,477,100.08/2,258.67
6. Step 6: Final answer
   x = 1,539.45