Finding the Fourth Proportional to 23,389.72, 32,273.46 and 13,959.16

Step by Step Solution

1. Step 1: Write the proportion equation
   23,389.72 : 32,273.46 = 13,959.16 : x
2. Step 2: Convert to fraction form
   23,389.72/32,273.46 = 13,959.16/x
3. Step 3: Cross multiply
   23,389.72x = 32,273.46 × 13,959.16
4. Step 4: Simplify right side
   23,389.72x = 450,510,391.89
5. Step 5: Solve for x
   x = 450,510,391.89/23,389.72
6. Step 6: Final answer
   x = 19,261.04