Finding the Fourth Proportional to 114,768.38, 172,162.49 and 31,662.38

Step by Step Solution

1. Step 1: Write the proportion equation
   114,768.38 : 172,162.49 = 31,662.38 : x
2. Step 2: Convert to fraction form
   114,768.38/172,162.49 = 31,662.38/x
3. Step 3: Cross multiply
   114,768.38x = 172,162.49 × 31,662.38
4. Step 4: Simplify right side
   114,768.38x = 5,451,073,161.00
5. Step 5: Solve for x
   x = 5,451,073,161.00/114,768.38
6. Step 6: Final answer
   x = 47,496.30