Finding the Fourth Proportional to 23,439.72, 32,345.46 and 12,829.56

Step by Step Solution

1. Step 1: Write the proportion equation
   23,439.72 : 32,345.46 = 12,829.56 : x
2. Step 2: Convert to fraction form
   23,439.72/32,345.46 = 12,829.56/x
3. Step 3: Cross multiply
   23,439.72x = 32,345.46 × 12,829.56
4. Step 4: Simplify right side
   23,439.72x = 414,978,019.80
5. Step 5: Solve for x
   x = 414,978,019.80/23,439.72
6. Step 6: Final answer
   x = 17,704.05