Finding the Fourth Proportional to 9,459.72, 13,052.42 and 5,480.60

Step by Step Solution

1. Step 1: Write the proportion equation
   9,459.72 : 13,052.42 = 5,480.60 : x
2. Step 2: Convert to fraction form
   9,459.72/13,052.42 = 5,480.60/x
3. Step 3: Cross multiply
   9,459.72x = 13,052.42 × 5,480.60
4. Step 4: Simplify right side
   9,459.72x = 71,535,093.05
5. Step 5: Solve for x
   x = 71,535,093.05/9,459.72
6. Step 6: Final answer
   x = 7,562.07