Finding the Fourth Proportional to 7,071.20, 9,757.82 and 3,883.87

Step by Step Solution

1. Step 1: Write the proportion equation
   7,071.20 : 9,757.82 = 3,883.87 : x
2. Step 2: Convert to fraction form
   7,071.20/9,757.82 = 3,883.87/x
3. Step 3: Cross multiply
   7,071.20x = 9,757.82 × 3,883.87
4. Step 4: Simplify right side
   7,071.20x = 37,898,131.87
5. Step 5: Solve for x
   x = 37,898,131.87/7,071.20
6. Step 6: Final answer
   x = 5,359.51