Finding the Fourth Proportional to 22,326.96, 30,810.78 and 12,255.06

Step by Step Solution

1. Step 1: Write the proportion equation
   22,326.96 : 30,810.78 = 12,255.06 : x
2. Step 2: Convert to fraction form
   22,326.96/30,810.78 = 12,255.06/x
3. Step 3: Cross multiply
   22,326.96x = 30,810.78 × 12,255.06
4. Step 4: Simplify right side
   22,326.96x = 377,587,957.55
5. Step 5: Solve for x
   x = 377,587,957.55/22,326.96
6. Step 6: Final answer
   x = 16,911.75