Finding the Fourth Proportional to 33,123.29, 49,689.86 and 10,939.01

Step by Step Solution

1. Step 1: Write the proportion equation
   33,123.29 : 49,689.86 = 10,939.01 : x
2. Step 2: Convert to fraction form
   33,123.29/49,689.86 = 10,939.01/x
3. Step 3: Cross multiply
   33,123.29x = 49,689.86 × 10,939.01
4. Step 4: Simplify right side
   33,123.29x = 543,557,572.29
5. Step 5: Solve for x
   x = 543,557,572.29/33,123.29
6. Step 6: Final answer
   x = 16,410.13