Finding the Fourth Proportional to 5,771.71, 7,962.18 and 3,781.39

Step by Step Solution

1. Step 1: Write the proportion equation
   5,771.71 : 7,962.18 = 3,781.39 : x
2. Step 2: Convert to fraction form
   5,771.71/7,962.18 = 3,781.39/x
3. Step 3: Cross multiply
   5,771.71x = 7,962.18 × 3,781.39
4. Step 4: Simplify right side
   5,771.71x = 30,108,107.83
5. Step 5: Solve for x
   x = 30,108,107.83/5,771.71
6. Step 6: Final answer
   x = 5,216.50