Finding the Fourth Proportional to 10,216.50, 15,325.71 and 3,976.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,216.50 : 15,325.71 = 3,976.98 : x
2. Step 2: Convert to fraction form
   10,216.50/15,325.71 = 3,976.98/x
3. Step 3: Cross multiply
   10,216.50x = 15,325.71 × 3,976.98
4. Step 4: Simplify right side
   10,216.50x = 60,950,042.16
5. Step 5: Solve for x
   x = 60,950,042.16/10,216.50
6. Step 6: Final answer
   x = 5,965.84