Finding the Fourth Proportional to 33,018.30, 49,530.69 and 10,830.78

Step by Step Solution

1. Step 1: Write the proportion equation
   33,018.30 : 49,530.69 = 10,830.78 : x
2. Step 2: Convert to fraction form
   33,018.30/49,530.69 = 10,830.78/x
3. Step 3: Cross multiply
   33,018.30x = 49,530.69 × 10,830.78
4. Step 4: Simplify right side
   33,018.30x = 536,456,006.64
5. Step 5: Solve for x
   x = 536,456,006.64/33,018.30
6. Step 6: Final answer
   x = 16,247.23