Finding the Fourth Proportional to 9,499.14, 13,107.42 and 5,308.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,499.14 : 13,107.42 = 5,308.20 : x
2. Step 2: Convert to fraction form
   9,499.14/13,107.42 = 5,308.20/x
3. Step 3: Cross multiply
   9,499.14x = 13,107.42 × 5,308.20
4. Step 4: Simplify right side
   9,499.14x = 69,576,806.84
5. Step 5: Solve for x
   x = 69,576,806.84/9,499.14
6. Step 6: Final answer
   x = 7,324.54