Finding the Fourth Proportional to 9,899.46, 14,850.56 and 3,326.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,899.46 : 14,850.56 = 3,326.15 : x
2. Step 2: Convert to fraction form
   9,899.46/14,850.56 = 3,326.15/x
3. Step 3: Cross multiply
   9,899.46x = 14,850.56 × 3,326.15
4. Step 4: Simplify right side
   9,899.46x = 49,395,210.64
5. Step 5: Solve for x
   x = 49,395,210.64/9,899.46
6. Step 6: Final answer
   x = 4,989.69