Finding the Fourth Proportional to 23,256, 32,092.47 and 12,645.45

Step by Step Solution

1. Step 1: Write the proportion equation
   23,256 : 32,092.47 = 12,645.45 : x
2. Step 2: Convert to fraction form
   23,256/32,092.47 = 12,645.45/x
3. Step 3: Cross multiply
   23,256x = 32,092.47 × 12,645.45
4. Step 4: Simplify right side
   23,256x = 405,823,724.76
5. Step 5: Solve for x
   x = 405,823,724.76/23,256
6. Step 6: Final answer
   x = 17,450.28