Finding the Fourth Proportional to 6,608.76, 9,899.34 and 3,101.82

Step by Step Solution

1. Step 1: Write the proportion equation
   6,608.76 : 9,899.34 = 3,101.82 : x
2. Step 2: Convert to fraction form
   6,608.76/9,899.34 = 3,101.82/x
3. Step 3: Cross multiply
   6,608.76x = 9,899.34 × 3,101.82
4. Step 4: Simplify right side
   6,608.76x = 30,705,970.80
5. Step 5: Solve for x
   x = 30,705,970.80/6,608.76
6. Step 6: Final answer
   x = 4,646.25