Finding the Fourth Proportional to 23,661.59, 32,651.93 and 12,906.20

Step by Step Solution

1. Step 1: Write the proportion equation
   23,661.59 : 32,651.93 = 12,906.20 : x
2. Step 2: Convert to fraction form
   23,661.59/32,651.93 = 12,906.20/x
3. Step 3: Cross multiply
   23,661.59x = 32,651.93 × 12,906.20
4. Step 4: Simplify right side
   23,661.59x = 421,412,452.86
5. Step 5: Solve for x
   x = 421,412,452.86/23,661.59
6. Step 6: Final answer
   x = 17,809.98