Finding the Fourth Proportional to 9,456.22, 13,047.60 and 5,477.09

Step by Step Solution

1. Step 1: Write the proportion equation
   9,456.22 : 13,047.60 = 5,477.09 : x
2. Step 2: Convert to fraction form
   9,456.22/13,047.60 = 5,477.09/x
3. Step 3: Cross multiply
   9,456.22x = 13,047.60 × 5,477.09
4. Step 4: Simplify right side
   9,456.22x = 71,462,912.10
5. Step 5: Solve for x
   x = 71,462,912.10/9,456.22
6. Step 6: Final answer
   x = 7,557.24