Finding the Fourth Proportional to 7,009.48, 9,673.10 and 3,822.78

Step by Step Solution

1. Step 1: Write the proportion equation
   7,009.48 : 9,673.10 = 3,822.78 : x
2. Step 2: Convert to fraction form
   7,009.48/9,673.10 = 3,822.78/x
3. Step 3: Cross multiply
   7,009.48x = 9,673.10 × 3,822.78
4. Step 4: Simplify right side
   7,009.48x = 36,978,150.38
5. Step 5: Solve for x
   x = 36,978,150.38/7,009.48
6. Step 6: Final answer
   x = 5,275.45