Finding the Fourth Proportional to 7,216.37, 10,812.23 and 3,923.58

Step by Step Solution

1. Step 1: Write the proportion equation
   7,216.37 : 10,812.23 = 3,923.58 : x
2. Step 2: Convert to fraction form
   7,216.37/10,812.23 = 3,923.58/x
3. Step 3: Cross multiply
   7,216.37x = 10,812.23 × 3,923.58
4. Step 4: Simplify right side
   7,216.37x = 42,422,629.77
5. Step 5: Solve for x
   x = 42,422,629.77/7,216.37
6. Step 6: Final answer
   x = 5,878.67