Finding the Fourth Proportional to 16,222.40, 24,319.20 and 5,687.36

Step by Step Solution

1. Step 1: Write the proportion equation
   16,222.40 : 24,319.20 = 5,687.36 : x
2. Step 2: Convert to fraction form
   16,222.40/24,319.20 = 5,687.36/x
3. Step 3: Cross multiply
   16,222.40x = 24,319.20 × 5,687.36
4. Step 4: Simplify right side
   16,222.40x = 138,312,045.31
5. Step 5: Solve for x
   x = 138,312,045.31/16,222.40
6. Step 6: Final answer
   x = 8,525.99