Finding the Fourth Proportional to 33,799.12, 50,683.31 and 18,000.10

Step by Step Solution

1. Step 1: Write the proportion equation
   33,799.12 : 50,683.31 = 18,000.10 : x
2. Step 2: Convert to fraction form
   33,799.12/50,683.31 = 18,000.10/x
3. Step 3: Cross multiply
   33,799.12x = 50,683.31 × 18,000.10
4. Step 4: Simplify right side
   33,799.12x = 912,304,648.33
5. Step 5: Solve for x
   x = 912,304,648.33/33,799.12
6. Step 6: Final answer
   x = 26,991.96