Finding the Fourth Proportional to 6,443.01, 9,669.78 and 2,550.15

Step by Step Solution

1. Step 1: Write the proportion equation
   6,443.01 : 9,669.78 = 2,550.15 : x
2. Step 2: Convert to fraction form
   6,443.01/9,669.78 = 2,550.15/x
3. Step 3: Cross multiply
   6,443.01x = 9,669.78 × 2,550.15
4. Step 4: Simplify right side
   6,443.01x = 24,659,389.47
5. Step 5: Solve for x
   x = 24,659,389.47/6,443.01
6. Step 6: Final answer
   x = 3,827.31