Finding the Fourth Proportional to 33,578.62, 50,367.62 and 12,517.94

Step by Step Solution

1. Step 1: Write the proportion equation
   33,578.62 : 50,367.62 = 12,517.94 : x
2. Step 2: Convert to fraction form
   33,578.62/50,367.62 = 12,517.94/x
3. Step 3: Cross multiply
   33,578.62x = 50,367.62 × 12,517.94
4. Step 4: Simplify right side
   33,578.62x = 630,499,002.32
5. Step 5: Solve for x
   x = 630,499,002.32/33,578.62
6. Step 6: Final answer
   x = 18,776.80