Finding the Fourth Proportional to 22,010.72, 32,996.64 and 8,150.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,010.72 : 32,996.64 = 8,150.72 : x
2. Step 2: Convert to fraction form
   22,010.72/32,996.64 = 8,150.72/x
3. Step 3: Cross multiply
   22,010.72x = 32,996.64 × 8,150.72
4. Step 4: Simplify right side
   22,010.72x = 268,946,373.58
5. Step 5: Solve for x
   x = 268,946,373.58/22,010.72
6. Step 6: Final answer
   x = 12,218.88