Finding the Fourth Proportional to 22,738.49, 34,111.55 and 10,258.21

Step by Step Solution

1. Step 1: Write the proportion equation
   22,738.49 : 34,111.55 = 10,258.21 : x
2. Step 2: Convert to fraction form
   22,738.49/34,111.55 = 10,258.21/x
3. Step 3: Cross multiply
   22,738.49x = 34,111.55 × 10,258.21
4. Step 4: Simplify right side
   22,738.49x = 349,923,443.33
5. Step 5: Solve for x
   x = 349,923,443.33/22,738.49
6. Step 6: Final answer
   x = 15,389.04