Finding the Fourth Proportional to 23,222.96, 32,047.92 and 12,612.80

Step by Step Solution

1. Step 1: Write the proportion equation
   23,222.96 : 32,047.92 = 12,612.80 : x
2. Step 2: Convert to fraction form
   23,222.96/32,047.92 = 12,612.80/x
3. Step 3: Cross multiply
   23,222.96x = 32,047.92 × 12,612.80
4. Step 4: Simplify right side
   23,222.96x = 404,214,005.38
5. Step 5: Solve for x
   x = 404,214,005.38/23,222.96
6. Step 6: Final answer
   x = 17,405.79