Finding the Fourth Proportional to 9,499.21, 13,111.45 and 5,466.49

Step by Step Solution

1. Step 1: Write the proportion equation
   9,499.21 : 13,111.45 = 5,466.49 : x
2. Step 2: Convert to fraction form
   9,499.21/13,111.45 = 5,466.49/x
3. Step 3: Cross multiply
   9,499.21x = 13,111.45 × 5,466.49
4. Step 4: Simplify right side
   9,499.21x = 71,673,610.31
5. Step 5: Solve for x
   x = 71,673,610.31/9,499.21
6. Step 6: Final answer
   x = 7,545.22