Finding the Fourth Proportional to 2,258.34, 3,388.52 and 1,436.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,258.34 : 3,388.52 = 1,436.40 : x
2. Step 2: Convert to fraction form
   2,258.34/3,388.52 = 1,436.40/x
3. Step 3: Cross multiply
   2,258.34x = 3,388.52 × 1,436.40
4. Step 4: Simplify right side
   2,258.34x = 4,867,270.13
5. Step 5: Solve for x
   x = 4,867,270.13/2,258.34
6. Step 6: Final answer
   x = 2,155.24