Finding the Fourth Proportional to 33,269.33, 49,889.42 and 12,478.25

Step by Step Solution

1. Step 1: Write the proportion equation
   33,269.33 : 49,889.42 = 12,478.25 : x
2. Step 2: Convert to fraction form
   33,269.33/49,889.42 = 12,478.25/x
3. Step 3: Cross multiply
   33,269.33x = 49,889.42 × 12,478.25
4. Step 4: Simplify right side
   33,269.33x = 622,532,592.72
5. Step 5: Solve for x
   x = 622,532,592.72/33,269.33
6. Step 6: Final answer
   x = 18,711.91