Finding the Fourth Proportional to 9,430.18, 13,014.22 and 5,238.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,430.18 : 13,014.22 = 5,238.42 : x
2. Step 2: Convert to fraction form
   9,430.18/13,014.22 = 5,238.42/x
3. Step 3: Cross multiply
   9,430.18x = 13,014.22 × 5,238.42
4. Step 4: Simplify right side
   9,430.18x = 68,173,950.33
5. Step 5: Solve for x
   x = 68,173,950.33/9,430.18
6. Step 6: Final answer
   x = 7,229.34