Finding the Fourth Proportional to 9,480.57, 13,083.17 and 5,288.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,480.57 : 13,083.17 = 5,288.82 : x
2. Step 2: Convert to fraction form
   9,480.57/13,083.17 = 5,288.82/x
3. Step 3: Cross multiply
   9,480.57x = 13,083.17 × 5,288.82
4. Step 4: Simplify right side
   9,480.57x = 69,194,531.16
5. Step 5: Solve for x
   x = 69,194,531.16/9,480.57
6. Step 6: Final answer
   x = 7,298.56