Finding the Fourth Proportional to 9,479.81, 13,082.16 and 5,288.33

Step by Step Solution

1. Step 1: Write the proportion equation
   9,479.81 : 13,082.16 = 5,288.33 : x
2. Step 2: Convert to fraction form
   9,479.81/13,082.16 = 5,288.33/x
3. Step 3: Cross multiply
   9,479.81x = 13,082.16 × 5,288.33
4. Step 4: Simplify right side
   9,479.81x = 69,182,713.78
5. Step 5: Solve for x
   x = 69,182,713.78/9,479.81
6. Step 6: Final answer
   x = 7,297.90