Finding the Fourth Proportional to 9,480.93, 13,081.46 and 5,499.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,480.93 : 13,081.46 = 5,499.78 : x
2. Step 2: Convert to fraction form
   9,480.93/13,081.46 = 5,499.78/x
3. Step 3: Cross multiply
   9,480.93x = 13,081.46 × 5,499.78
4. Step 4: Simplify right side
   9,480.93x = 71,945,152.08
5. Step 5: Solve for x
   x = 71,945,152.08/9,480.93
6. Step 6: Final answer
   x = 7,588.41