Finding the Fourth Proportional to 6,216.15, 9,358.25 and 5,671.83

Step by Step Solution

1. Step 1: Write the proportion equation
   6,216.15 : 9,358.25 = 5,671.83 : x
2. Step 2: Convert to fraction form
   6,216.15/9,358.25 = 5,671.83/x
3. Step 3: Cross multiply
   6,216.15x = 9,358.25 × 5,671.83
4. Step 4: Simplify right side
   6,216.15x = 53,078,417.28
5. Step 5: Solve for x
   x = 53,078,417.28/6,216.15
6. Step 6: Final answer
   x = 8,538.79