Finding the Fourth Proportional to 9,535.36, 13,157.40 and 5,500.60

Step by Step Solution

1. Step 1: Write the proportion equation
   9,535.36 : 13,157.40 = 5,500.60 : x
2. Step 2: Convert to fraction form
   9,535.36/13,157.40 = 5,500.60/x
3. Step 3: Cross multiply
   9,535.36x = 13,157.40 × 5,500.60
4. Step 4: Simplify right side
   9,535.36x = 72,373,564.69
5. Step 5: Solve for x
   x = 72,373,564.69/9,535.36
6. Step 6: Final answer
   x = 7,590.02