Finding the Fourth Proportional to 22,008.89, 32,956.98 and 12,137.22

Step by Step Solution

1. Step 1: Write the proportion equation
   22,008.89 : 32,956.98 = 12,137.22 : x
2. Step 2: Convert to fraction form
   22,008.89/32,956.98 = 12,137.22/x
3. Step 3: Cross multiply
   22,008.89x = 32,956.98 × 12,137.22
4. Step 4: Simplify right side
   22,008.89x = 400,006,116.80
5. Step 5: Solve for x
   x = 400,006,116.80/22,008.89
6. Step 6: Final answer
   x = 18,174.76