Finding the Fourth Proportional to 33,311.52, 49,967.69 and 13,585.73

Step by Step Solution

1. Step 1: Write the proportion equation
   33,311.52 : 49,967.69 = 13,585.73 : x
2. Step 2: Convert to fraction form
   33,311.52/49,967.69 = 13,585.73/x
3. Step 3: Cross multiply
   33,311.52x = 49,967.69 × 13,585.73
4. Step 4: Simplify right side
   33,311.52x = 678,847,227.30
5. Step 5: Solve for x
   x = 678,847,227.30/33,311.52
6. Step 6: Final answer
   x = 20,378.75