Finding the Fourth Proportional to 23,469.91, 32,389.23 and 12,860.22

Step by Step Solution

1. Step 1: Write the proportion equation
   23,469.91 : 32,389.23 = 12,860.22 : x
2. Step 2: Convert to fraction form
   23,469.91/32,389.23 = 12,860.22/x
3. Step 3: Cross multiply
   23,469.91x = 32,389.23 × 12,860.22
4. Step 4: Simplify right side
   23,469.91x = 416,532,623.43
5. Step 5: Solve for x
   x = 416,532,623.43/23,469.91
6. Step 6: Final answer
   x = 17,747.52