Finding the Fourth Proportional to 9,904.15, 14,857.89 and 3,664.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,904.15 : 14,857.89 = 3,664.18 : x
2. Step 2: Convert to fraction form
   9,904.15/14,857.89 = 3,664.18/x
3. Step 3: Cross multiply
   9,904.15x = 14,857.89 × 3,664.18
4. Step 4: Simplify right side
   9,904.15x = 54,441,983.38
5. Step 5: Solve for x
   x = 54,441,983.38/9,904.15
6. Step 6: Final answer
   x = 5,496.89