Finding the Fourth Proportional to 4,933.89, 6,808.78 and 2,809.33

Step by Step Solution

1. Step 1: Write the proportion equation
   4,933.89 : 6,808.78 = 2,809.33 : x
2. Step 2: Convert to fraction form
   4,933.89/6,808.78 = 2,809.33/x
3. Step 3: Cross multiply
   4,933.89x = 6,808.78 × 2,809.33
4. Step 4: Simplify right side
   4,933.89x = 19,128,061.83
5. Step 5: Solve for x
   x = 19,128,061.83/4,933.89
6. Step 6: Final answer
   x = 3,876.87