Finding the Fourth Proportional to 9,279.49, 12,806.22 and 5,504.89

Step by Step Solution

1. Step 1: Write the proportion equation
   9,279.49 : 12,806.22 = 5,504.89 : x
2. Step 2: Convert to fraction form
   9,279.49/12,806.22 = 5,504.89/x
3. Step 3: Cross multiply
   9,279.49x = 12,806.22 × 5,504.89
4. Step 4: Simplify right side
   9,279.49x = 70,496,832.42
5. Step 5: Solve for x
   x = 70,496,832.42/9,279.49
6. Step 6: Final answer
   x = 7,597.06