Finding the Fourth Proportional to 9,480.14, 13,083.15 and 5,499.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,480.14 : 13,083.15 = 5,499.80 : x
2. Step 2: Convert to fraction form
   9,480.14/13,083.15 = 5,499.80/x
3. Step 3: Cross multiply
   9,480.14x = 13,083.15 × 5,499.80
4. Step 4: Simplify right side
   9,480.14x = 71,954,708.37
5. Step 5: Solve for x
   x = 71,954,708.37/9,480.14
6. Step 6: Final answer
   x = 7,590.05