Finding the Fourth Proportional to 7,071.74, 9,759.77 and 4,047.14

Step by Step Solution

1. Step 1: Write the proportion equation
   7,071.74 : 9,759.77 = 4,047.14 : x
2. Step 2: Convert to fraction form
   7,071.74/9,759.77 = 4,047.14/x
3. Step 3: Cross multiply
   7,071.74x = 9,759.77 × 4,047.14
4. Step 4: Simplify right side
   7,071.74x = 39,499,086.52
5. Step 5: Solve for x
   x = 39,499,086.52/7,071.74
6. Step 6: Final answer
   x = 5,585.49