Finding the Fourth Proportional to 22,271.25, 30,734.34 and 12,335.25

Step by Step Solution

1. Step 1: Write the proportion equation
   22,271.25 : 30,734.34 = 12,335.25 : x
2. Step 2: Convert to fraction form
   22,271.25/30,734.34 = 12,335.25/x
3. Step 3: Cross multiply
   22,271.25x = 30,734.34 × 12,335.25
4. Step 4: Simplify right side
   22,271.25x = 379,115,767.49
5. Step 5: Solve for x
   x = 379,115,767.49/22,271.25
6. Step 6: Final answer
   x = 17,022.65