Finding the Fourth Proportional to 23,476.72, 32,397.98 and 12,721.62

Step by Step Solution

1. Step 1: Write the proportion equation
   23,476.72 : 32,397.98 = 12,721.62 : x
2. Step 2: Convert to fraction form
   23,476.72/32,397.98 = 12,721.62/x
3. Step 3: Cross multiply
   23,476.72x = 32,397.98 × 12,721.62
4. Step 4: Simplify right side
   23,476.72x = 412,154,790.33
5. Step 5: Solve for x
   x = 412,154,790.33/23,476.72
6. Step 6: Final answer
   x = 17,555.89