Finding the Fourth Proportional to 23,340.33, 32,209.31 and 12,729.94

Step by Step Solution

1. Step 1: Write the proportion equation
   23,340.33 : 32,209.31 = 12,729.94 : x
2. Step 2: Convert to fraction form
   23,340.33/32,209.31 = 12,729.94/x
3. Step 3: Cross multiply
   23,340.33x = 32,209.31 × 12,729.94
4. Step 4: Simplify right side
   23,340.33x = 410,022,535.04
5. Step 5: Solve for x
   x = 410,022,535.04/23,340.33
6. Step 6: Final answer
   x = 17,567.13