Finding the Fourth Proportional to 9,908.19, 14,861.53 and 3,665.27

Step by Step Solution

1. Step 1: Write the proportion equation
   9,908.19 : 14,861.53 = 3,665.27 : x
2. Step 2: Convert to fraction form
   9,908.19/14,861.53 = 3,665.27/x
3. Step 3: Cross multiply
   9,908.19x = 14,861.53 × 3,665.27
4. Step 4: Simplify right side
   9,908.19x = 54,471,457.59
5. Step 5: Solve for x
   x = 54,471,457.59/9,908.19
6. Step 6: Final answer
   x = 5,497.62