Finding the Fourth Proportional to 9,485.24, 13,092.66 and 5,505.57

Step by Step Solution

1. Step 1: Write the proportion equation
   9,485.24 : 13,092.66 = 5,505.57 : x
2. Step 2: Convert to fraction form
   9,485.24/13,092.66 = 5,505.57/x
3. Step 3: Cross multiply
   9,485.24x = 13,092.66 × 5,505.57
4. Step 4: Simplify right side
   9,485.24x = 72,082,556.12
5. Step 5: Solve for x
   x = 72,082,556.12/9,485.24
6. Step 6: Final answer
   x = 7,599.45