Finding the Fourth Proportional to 9,003.22, 12,422.46 and 5,224.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,003.22 : 12,422.46 = 5,224.20 : x
2. Step 2: Convert to fraction form
   9,003.22/12,422.46 = 5,224.20/x
3. Step 3: Cross multiply
   9,003.22x = 12,422.46 × 5,224.20
4. Step 4: Simplify right side
   9,003.22x = 64,897,353.42
5. Step 5: Solve for x
   x = 64,897,353.42/9,003.22
6. Step 6: Final answer
   x = 7,208.24