Finding the Fourth Proportional to 31,455.43, 43,408.42 and 17,308.27

Step by Step Solution

1. Step 1: Write the proportion equation
   31,455.43 : 43,408.42 = 17,308.27 : x
2. Step 2: Convert to fraction form
   31,455.43/43,408.42 = 17,308.27/x
3. Step 3: Cross multiply
   31,455.43x = 43,408.42 × 17,308.27
4. Step 4: Simplify right side
   31,455.43x = 751,324,664.62
5. Step 5: Solve for x
   x = 751,324,664.62/31,455.43
6. Step 6: Final answer
   x = 23,885.37