Finding the Fourth Proportional to 31,629.72, 43,647.39 and 17,479.83

Step by Step Solution

1. Step 1: Write the proportion equation
   31,629.72 : 43,647.39 = 17,479.83 : x
2. Step 2: Convert to fraction form
   31,629.72/43,647.39 = 17,479.83/x
3. Step 3: Cross multiply
   31,629.72x = 43,647.39 × 17,479.83
4. Step 4: Simplify right side
   31,629.72x = 762,948,957.14
5. Step 5: Solve for x
   x = 762,948,957.14/31,629.72
6. Step 6: Final answer
   x = 24,121.27