Finding the Fourth Proportional to 5,721.39, 7,892.70 and 3,833.39

Step by Step Solution

1. Step 1: Write the proportion equation
   5,721.39 : 7,892.70 = 3,833.39 : x
2. Step 2: Convert to fraction form
   5,721.39/7,892.70 = 3,833.39/x
3. Step 3: Cross multiply
   5,721.39x = 7,892.70 × 3,833.39
4. Step 4: Simplify right side
   5,721.39x = 30,255,757.79
5. Step 5: Solve for x
   x = 30,255,757.79/5,721.39
6. Step 6: Final answer
   x = 5,288.18