Finding the Fourth Proportional to 7,071.52, 9,758.56 and 3,927.68

Step by Step Solution

1. Step 1: Write the proportion equation
   7,071.52 : 9,758.56 = 3,927.68 : x
2. Step 2: Convert to fraction form
   7,071.52/9,758.56 = 3,927.68/x
3. Step 3: Cross multiply
   7,071.52x = 9,758.56 × 3,927.68
4. Step 4: Simplify right side
   7,071.52x = 38,328,500.94
5. Step 5: Solve for x
   x = 38,328,500.94/7,071.52
6. Step 6: Final answer
   x = 5,420.12