Finding the Fourth Proportional to 50,769.82, 76,152.43 and 13,329.01

Step by Step Solution

1. Step 1: Write the proportion equation
   50,769.82 : 76,152.43 = 13,329.01 : x
2. Step 2: Convert to fraction form
   50,769.82/76,152.43 = 13,329.01/x
3. Step 3: Cross multiply
   50,769.82x = 76,152.43 × 13,329.01
4. Step 4: Simplify right side
   50,769.82x = 1,015,036,500.99
5. Step 5: Solve for x
   x = 1,015,036,500.99/50,769.82
6. Step 6: Final answer
   x = 19,992.91