Finding the Fourth Proportional to 8,200.15, 11,314.25 and 4,665.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,200.15 : 11,314.25 = 4,665.31 : x
2. Step 2: Convert to fraction form
   8,200.15/11,314.25 = 4,665.31/x
3. Step 3: Cross multiply
   8,200.15x = 11,314.25 × 4,665.31
4. Step 4: Simplify right side
   8,200.15x = 52,784,467.05
5. Step 5: Solve for x
   x = 52,784,467.05/8,200.15
6. Step 6: Final answer
   x = 6,437.01