Finding the Fourth Proportional to 33,121.89, 49,675.78 and 10,930.05

Step by Step Solution

1. Step 1: Write the proportion equation
   33,121.89 : 49,675.78 = 10,930.05 : x
2. Step 2: Convert to fraction form
   33,121.89/49,675.78 = 10,930.05/x
3. Step 3: Cross multiply
   33,121.89x = 49,675.78 × 10,930.05
4. Step 4: Simplify right side
   33,121.89x = 542,958,759.19
5. Step 5: Solve for x
   x = 542,958,759.19/33,121.89
6. Step 6: Final answer
   x = 16,392.75