Finding the Fourth Proportional to 33,759.30, 50,640.18 and 12,697.42

Step by Step Solution

1. Step 1: Write the proportion equation
   33,759.30 : 50,640.18 = 12,697.42 : x
2. Step 2: Convert to fraction form
   33,759.30/50,640.18 = 12,697.42/x
3. Step 3: Cross multiply
   33,759.30x = 50,640.18 × 12,697.42
4. Step 4: Simplify right side
   33,759.30x = 642,999,634.34
5. Step 5: Solve for x
   x = 642,999,634.34/33,759.30
6. Step 6: Final answer
   x = 19,046.59