Finding the Fourth Proportional to 6,436.32, 9,644.49 and 3,100.98

Step by Step Solution

1. Step 1: Write the proportion equation
   6,436.32 : 9,644.49 = 3,100.98 : x
2. Step 2: Convert to fraction form
   6,436.32/9,644.49 = 3,100.98/x
3. Step 3: Cross multiply
   6,436.32x = 9,644.49 × 3,100.98
4. Step 4: Simplify right side
   6,436.32x = 29,907,370.60
5. Step 5: Solve for x
   x = 29,907,370.60/6,436.32
6. Step 6: Final answer
   x = 4,646.66