Finding the Fourth Proportional to 10,216.23, 15,315.83 and 3,974.77

Step by Step Solution

1. Step 1: Write the proportion equation
   10,216.23 : 15,315.83 = 3,974.77 : x
2. Step 2: Convert to fraction form
   10,216.23/15,315.83 = 3,974.77/x
3. Step 3: Cross multiply
   10,216.23x = 15,315.83 × 3,974.77
4. Step 4: Simplify right side
   10,216.23x = 60,876,901.61
5. Step 5: Solve for x
   x = 60,876,901.61/10,216.23
6. Step 6: Final answer
   x = 5,958.84