Finding the Fourth Proportional to 23,478.16, 32,399.79 and 12,723.33

Step by Step Solution

1. Step 1: Write the proportion equation
   23,478.16 : 32,399.79 = 12,723.33 : x
2. Step 2: Convert to fraction form
   23,478.16/32,399.79 = 12,723.33/x
3. Step 3: Cross multiply
   23,478.16x = 32,399.79 × 12,723.33
4. Step 4: Simplify right side
   23,478.16x = 412,233,098.60
5. Step 5: Solve for x
   x = 412,233,098.60/23,478.16
6. Step 6: Final answer
   x = 17,558.15