Finding the Fourth Proportional to 33,365.59, 50,068.14 and 12,320.31

Step by Step Solution

1. Step 1: Write the proportion equation
   33,365.59 : 50,068.14 = 12,320.31 : x
2. Step 2: Convert to fraction form
   33,365.59/50,068.14 = 12,320.31/x
3. Step 3: Cross multiply
   33,365.59x = 50,068.14 × 12,320.31
4. Step 4: Simplify right side
   33,365.59x = 616,855,005.92
5. Step 5: Solve for x
   x = 616,855,005.92/33,365.59
6. Step 6: Final answer
   x = 18,487.76