Finding the Fourth Proportional to 33,788.88, 50,693.52 and 17,991.18

Step by Step Solution

1. Step 1: Write the proportion equation
   33,788.88 : 50,693.52 = 17,991.18 : x
2. Step 2: Convert to fraction form
   33,788.88/50,693.52 = 17,991.18/x
3. Step 3: Cross multiply
   33,788.88x = 50,693.52 × 17,991.18
4. Step 4: Simplify right side
   33,788.88x = 912,036,243.15
5. Step 5: Solve for x
   x = 912,036,243.15/33,788.88
6. Step 6: Final answer
   x = 26,992.20