Finding the Fourth Proportional to 6,550.89, 9,816.72 and 4,078.17

Step by Step Solution

1. Step 1: Write the proportion equation
   6,550.89 : 9,816.72 = 4,078.17 : x
2. Step 2: Convert to fraction form
   6,550.89/9,816.72 = 4,078.17/x
3. Step 3: Cross multiply
   6,550.89x = 9,816.72 × 4,078.17
4. Step 4: Simplify right side
   6,550.89x = 40,034,253.00
5. Step 5: Solve for x
   x = 40,034,253.00/6,550.89
6. Step 6: Final answer
   x = 6,111.27