Finding the Fourth Proportional to 9,419.04, 12,998.05 and 5,227.29

Step by Step Solution

1. Step 1: Write the proportion equation
   9,419.04 : 12,998.05 = 5,227.29 : x
2. Step 2: Convert to fraction form
   9,419.04/12,998.05 = 5,227.29/x
3. Step 3: Cross multiply
   9,419.04x = 12,998.05 × 5,227.29
4. Step 4: Simplify right side
   9,419.04x = 67,944,563.72
5. Step 5: Solve for x
   x = 67,944,563.72/9,419.04
6. Step 6: Final answer
   x = 7,213.53