Finding the Fourth Proportional to 2,258.02, 3,115.89 and 1,263.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,258.02 : 3,115.89 = 1,263.22 : x
2. Step 2: Convert to fraction form
   2,258.02/3,115.89 = 1,263.22/x
3. Step 3: Cross multiply
   2,258.02x = 3,115.89 × 1,263.22
4. Step 4: Simplify right side
   2,258.02x = 3,936,054.57
5. Step 5: Solve for x
   x = 3,936,054.57/2,258.02
6. Step 6: Final answer
   x = 1,743.14