Finding the Fourth Proportional to 22,478.58, 33,722.22 and 8,626.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,478.58 : 33,722.22 = 8,626.50 : x
2. Step 2: Convert to fraction form
   22,478.58/33,722.22 = 8,626.50/x
3. Step 3: Cross multiply
   22,478.58x = 33,722.22 × 8,626.50
4. Step 4: Simplify right side
   22,478.58x = 290,904,730.83
5. Step 5: Solve for x
   x = 290,904,730.83/22,478.58
6. Step 6: Final answer
   x = 12,941.42