Finding the Fourth Proportional to 31,234.25, 46,851.42 and 12,766.25

Step by Step Solution

1. Step 1: Write the proportion equation
   31,234.25 : 46,851.42 = 12,766.25 : x
2. Step 2: Convert to fraction form
   31,234.25/46,851.42 = 12,766.25/x
3. Step 3: Cross multiply
   31,234.25x = 46,851.42 × 12,766.25
4. Step 4: Simplify right side
   31,234.25x = 598,116,940.58
5. Step 5: Solve for x
   x = 598,116,940.58/31,234.25
6. Step 6: Final answer
   x = 19,149.39