Finding the Fourth Proportional to 7,222.14, 9,968.63 and 4,238.10

Step by Step Solution

1. Step 1: Write the proportion equation
   7,222.14 : 9,968.63 = 4,238.10 : x
2. Step 2: Convert to fraction form
   7,222.14/9,968.63 = 4,238.10/x
3. Step 3: Cross multiply
   7,222.14x = 9,968.63 × 4,238.10
4. Step 4: Simplify right side
   7,222.14x = 42,248,050.80
5. Step 5: Solve for x
   x = 42,248,050.80/7,222.14
6. Step 6: Final answer
   x = 5,849.80