Finding the Fourth Proportional to 9,093.44, 12,494.56 and 7,227.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,093.44 : 12,494.56 = 7,227.20 : x
2. Step 2: Convert to fraction form
   9,093.44/12,494.56 = 7,227.20/x
3. Step 3: Cross multiply
   9,093.44x = 12,494.56 × 7,227.20
4. Step 4: Simplify right side
   9,093.44x = 90,300,684.03
5. Step 5: Solve for x
   x = 90,300,684.03/9,093.44
6. Step 6: Final answer
   x = 9,930.31