Finding the Fourth Proportional to 33,699.34, 50,567.22 and 13,991.50

Step by Step Solution

1. Step 1: Write the proportion equation
   33,699.34 : 50,567.22 = 13,991.50 : x
2. Step 2: Convert to fraction form
   33,699.34/50,567.22 = 13,991.50/x
3. Step 3: Cross multiply
   33,699.34x = 50,567.22 × 13,991.50
4. Step 4: Simplify right side
   33,699.34x = 707,511,258.63
5. Step 5: Solve for x
   x = 707,511,258.63/33,699.34
6. Step 6: Final answer
   x = 20,994.81