Finding the Fourth Proportional to 9,596.81, 13,242.69 and 5,347.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,596.81 : 13,242.69 = 5,347.15 : x
2. Step 2: Convert to fraction form
   9,596.81/13,242.69 = 5,347.15/x
3. Step 3: Cross multiply
   9,596.81x = 13,242.69 × 5,347.15
4. Step 4: Simplify right side
   9,596.81x = 70,810,616.73
5. Step 5: Solve for x
   x = 70,810,616.73/9,596.81
6. Step 6: Final answer
   x = 7,378.56