Finding the Fourth Proportional to 22,667.22, 33,978.05 and 8,623.64

Step by Step Solution

1. Step 1: Write the proportion equation
   22,667.22 : 33,978.05 = 8,623.64 : x
2. Step 2: Convert to fraction form
   22,667.22/33,978.05 = 8,623.64/x
3. Step 3: Cross multiply
   22,667.22x = 33,978.05 × 8,623.64
4. Step 4: Simplify right side
   22,667.22x = 293,014,545.27
5. Step 5: Solve for x
   x = 293,014,545.27/22,667.22
6. Step 6: Final answer
   x = 12,926.80