Finding the Fourth Proportional to 33,559.31, 50,377.85 and 18,007.31

Step by Step Solution

1. Step 1: Write the proportion equation
   33,559.31 : 50,377.85 = 18,007.31 : x
2. Step 2: Convert to fraction form
   33,559.31/50,377.85 = 18,007.31/x
3. Step 3: Cross multiply
   33,559.31x = 50,377.85 × 18,007.31
4. Step 4: Simplify right side
   33,559.31x = 907,169,562.08
5. Step 5: Solve for x
   x = 907,169,562.08/33,559.31
6. Step 6: Final answer
   x = 27,031.83