Finding the Fourth Proportional to 23,221.72, 32,046.28 and 12,611.32

Step by Step Solution

1. Step 1: Write the proportion equation
   23,221.72 : 32,046.28 = 12,611.32 : x
2. Step 2: Convert to fraction form
   23,221.72/32,046.28 = 12,611.32/x
3. Step 3: Cross multiply
   23,221.72x = 32,046.28 × 12,611.32
4. Step 4: Simplify right side
   23,221.72x = 404,145,891.89
5. Step 5: Solve for x
   x = 404,145,891.89/23,221.72
6. Step 6: Final answer
   x = 17,403.79