Finding the Fourth Proportional to 33,162.62, 49,742.31 and 12,384.50

Step by Step Solution

1. Step 1: Write the proportion equation
   33,162.62 : 49,742.31 = 12,384.50 : x
2. Step 2: Convert to fraction form
   33,162.62/49,742.31 = 12,384.50/x
3. Step 3: Cross multiply
   33,162.62x = 49,742.31 × 12,384.50
4. Step 4: Simplify right side
   33,162.62x = 616,033,638.20
5. Step 5: Solve for x
   x = 616,033,638.20/33,162.62
6. Step 6: Final answer
   x = 18,576.15