Finding the Fourth Proportional to 9,905.62, 14,857.68 and 3,662.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,905.62 : 14,857.68 = 3,662.71 : x
2. Step 2: Convert to fraction form
   9,905.62/14,857.68 = 3,662.71/x
3. Step 3: Cross multiply
   9,905.62x = 14,857.68 × 3,662.71
4. Step 4: Simplify right side
   9,905.62x = 54,419,373.11
5. Step 5: Solve for x
   x = 54,419,373.11/9,905.62
6. Step 6: Final answer
   x = 5,493.79