Finding the Fourth Proportional to 33,166.40, 49,762.52 and 12,391.52

Step by Step Solution

1. Step 1: Write the proportion equation
   33,166.40 : 49,762.52 = 12,391.52 : x
2. Step 2: Convert to fraction form
   33,166.40/49,762.52 = 12,391.52/x
3. Step 3: Cross multiply
   33,166.40x = 49,762.52 × 12,391.52
4. Step 4: Simplify right side
   33,166.40x = 616,633,261.83
5. Step 5: Solve for x
   x = 616,633,261.83/33,166.40
6. Step 6: Final answer
   x = 18,592.11