Finding the Fourth Proportional to 23,550.21, 32,499.32 and 12,940.47

Step by Step Solution

1. Step 1: Write the proportion equation
   23,550.21 : 32,499.32 = 12,940.47 : x
2. Step 2: Convert to fraction form
   23,550.21/32,499.32 = 12,940.47/x
3. Step 3: Cross multiply
   23,550.21x = 32,499.32 × 12,940.47
4. Step 4: Simplify right side
   23,550.21x = 420,556,410.78
5. Step 5: Solve for x
   x = 420,556,410.78/23,550.21
6. Step 6: Final answer
   x = 17,857.86