Finding the Fourth Proportional to 9,480.72, 13,083.80 and 5,288.97

Step by Step Solution

1. Step 1: Write the proportion equation
   9,480.72 : 13,083.80 = 5,288.97 : x
2. Step 2: Convert to fraction form
   9,480.72/13,083.80 = 5,288.97/x
3. Step 3: Cross multiply
   9,480.72x = 13,083.80 × 5,288.97
4. Step 4: Simplify right side
   9,480.72x = 69,199,825.69
5. Step 5: Solve for x
   x = 69,199,825.69/9,480.72
6. Step 6: Final answer
   x = 7,299.01