Finding the Fourth Proportional to 7,222.02, 9,967.89 and 4,238.52

Step by Step Solution

1. Step 1: Write the proportion equation
   7,222.02 : 9,967.89 = 4,238.52 : x
2. Step 2: Convert to fraction form
   7,222.02/9,967.89 = 4,238.52/x
3. Step 3: Cross multiply
   7,222.02x = 9,967.89 × 4,238.52
4. Step 4: Simplify right side
   7,222.02x = 42,249,101.12
5. Step 5: Solve for x
   x = 42,249,101.12/7,222.02
6. Step 6: Final answer
   x = 5,850.04