Finding the Fourth Proportional to 28,222.77, 42,304.53 and 9,496.31

Step by Step Solution

1. Step 1: Write the proportion equation
   28,222.77 : 42,304.53 = 9,496.31 : x
2. Step 2: Convert to fraction form
   28,222.77/42,304.53 = 9,496.31/x
3. Step 3: Cross multiply
   28,222.77x = 42,304.53 × 9,496.31
4. Step 4: Simplify right side
   28,222.77x = 401,736,939.92
5. Step 5: Solve for x
   x = 401,736,939.92/28,222.77
6. Step 6: Final answer
   x = 14,234.50