Finding the Fourth Proportional to 33,049.86, 49,567.49 and 9,678.12

Step by Step Solution

1. Step 1: Write the proportion equation
   33,049.86 : 49,567.49 = 9,678.12 : x
2. Step 2: Convert to fraction form
   33,049.86/49,567.49 = 9,678.12/x
3. Step 3: Cross multiply
   33,049.86x = 49,567.49 × 9,678.12
4. Step 4: Simplify right side
   33,049.86x = 479,720,116.32
5. Step 5: Solve for x
   x = 479,720,116.32/33,049.86
6. Step 6: Final answer
   x = 14,515.04