Finding the Fourth Proportional to 6,427.78, 9,650.59 and 3,310.01

Step by Step Solution

1. Step 1: Write the proportion equation
   6,427.78 : 9,650.59 = 3,310.01 : x
2. Step 2: Convert to fraction form
   6,427.78/9,650.59 = 3,310.01/x
3. Step 3: Cross multiply
   6,427.78x = 9,650.59 × 3,310.01
4. Step 4: Simplify right side
   6,427.78x = 31,943,532.86
5. Step 5: Solve for x
   x = 31,943,532.86/6,427.78
6. Step 6: Final answer
   x = 4,969.61