Finding the Fourth Proportional to 9,906.64, 14,851.86 and 3,662.68

Step by Step Solution

1. Step 1: Write the proportion equation
   9,906.64 : 14,851.86 = 3,662.68 : x
2. Step 2: Convert to fraction form
   9,906.64/14,851.86 = 3,662.68/x
3. Step 3: Cross multiply
   9,906.64x = 14,851.86 × 3,662.68
4. Step 4: Simplify right side
   9,906.64x = 54,397,610.58
5. Step 5: Solve for x
   x = 54,397,610.58/9,906.64
6. Step 6: Final answer
   x = 5,491.03