Finding the Fourth Proportional to 9,480.25, 13,083.15 and 5,288.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,480.25 : 13,083.15 = 5,288.50 : x
2. Step 2: Convert to fraction form
   9,480.25/13,083.15 = 5,288.50/x
3. Step 3: Cross multiply
   9,480.25x = 13,083.15 × 5,288.50
4. Step 4: Simplify right side
   9,480.25x = 69,190,238.78
5. Step 5: Solve for x
   x = 69,190,238.78/9,480.25
6. Step 6: Final answer
   x = 7,298.36