Finding the Fourth Proportional to 31,144.50, 46,736.19 and 12,676.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,144.50 : 46,736.19 = 12,676.50 : x
2. Step 2: Convert to fraction form
   31,144.50/46,736.19 = 12,676.50/x
3. Step 3: Cross multiply
   31,144.50x = 46,736.19 × 12,676.50
4. Step 4: Simplify right side
   31,144.50x = 592,451,312.54
5. Step 5: Solve for x
   x = 592,451,312.54/31,144.50
6. Step 6: Final answer
   x = 19,022.66