Finding the Fourth Proportional to 22,308.50, 33,467.62 and 8,457.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,308.50 : 33,467.62 = 8,457.50 : x
2. Step 2: Convert to fraction form
   22,308.50/33,467.62 = 8,457.50/x
3. Step 3: Cross multiply
   22,308.50x = 33,467.62 × 8,457.50
4. Step 4: Simplify right side
   22,308.50x = 283,052,396.15
5. Step 5: Solve for x
   x = 283,052,396.15/22,308.50
6. Step 6: Final answer
   x = 12,688.10