Finding the Fourth Proportional to 23,469.48, 32,388.66 and 12,859.56

Step by Step Solution

1. Step 1: Write the proportion equation
   23,469.48 : 32,388.66 = 12,859.56 : x
2. Step 2: Convert to fraction form
   23,469.48/32,388.66 = 12,859.56/x
3. Step 3: Cross multiply
   23,469.48x = 32,388.66 × 12,859.56
4. Step 4: Simplify right side
   23,469.48x = 416,503,916.59
5. Step 5: Solve for x
   x = 416,503,916.59/23,469.48
6. Step 6: Final answer
   x = 17,746.62