Finding the Fourth Proportional to 33,142.50, 49,716.18 and 12,366

Step by Step Solution

1. Step 1: Write the proportion equation
   33,142.50 : 49,716.18 = 12,366 : x
2. Step 2: Convert to fraction form
   33,142.50/49,716.18 = 12,366/x
3. Step 3: Cross multiply
   33,142.50x = 49,716.18 × 12,366
4. Step 4: Simplify right side
   33,142.50x = 614,790,281.88
5. Step 5: Solve for x
   x = 614,790,281.88/33,142.50
6. Step 6: Final answer
   x = 18,549.91