Finding the Fourth Proportional to 22,200.30, 33,238.14 and 12,168.48

Step by Step Solution

1. Step 1: Write the proportion equation
   22,200.30 : 33,238.14 = 12,168.48 : x
2. Step 2: Convert to fraction form
   22,200.30/33,238.14 = 12,168.48/x
3. Step 3: Cross multiply
   22,200.30x = 33,238.14 × 12,168.48
4. Step 4: Simplify right side
   22,200.30x = 404,457,641.83
5. Step 5: Solve for x
   x = 404,457,641.83/22,200.30
6. Step 6: Final answer
   x = 18,218.57