Finding the Fourth Proportional to 7,071.48, 9,765.90 and 5,300.28

Step by Step Solution

1. Step 1: Write the proportion equation
   7,071.48 : 9,765.90 = 5,300.28 : x
2. Step 2: Convert to fraction form
   7,071.48/9,765.90 = 5,300.28/x
3. Step 3: Cross multiply
   7,071.48x = 9,765.90 × 5,300.28
4. Step 4: Simplify right side
   7,071.48x = 51,762,004.45
5. Step 5: Solve for x
   x = 51,762,004.45/7,071.48
6. Step 6: Final answer
   x = 7,319.83