Finding the Fourth Proportional to 16,313.98, 24,472.72 and 5,216.70

Step by Step Solution

1. Step 1: Write the proportion equation
   16,313.98 : 24,472.72 = 5,216.70 : x
2. Step 2: Convert to fraction form
   16,313.98/24,472.72 = 5,216.70/x
3. Step 3: Cross multiply
   16,313.98x = 24,472.72 × 5,216.70
4. Step 4: Simplify right side
   16,313.98x = 127,666,838.42
5. Step 5: Solve for x
   x = 127,666,838.42/16,313.98
6. Step 6: Final answer
   x = 7,825.61