Finding the Fourth Proportional to 9,906.22, 14,865.27 and 3,665.17

Step by Step Solution

1. Step 1: Write the proportion equation
   9,906.22 : 14,865.27 = 3,665.17 : x
2. Step 2: Convert to fraction form
   9,906.22/14,865.27 = 3,665.17/x
3. Step 3: Cross multiply
   9,906.22x = 14,865.27 × 3,665.17
4. Step 4: Simplify right side
   9,906.22x = 54,483,741.65
5. Step 5: Solve for x
   x = 54,483,741.65/9,906.22
6. Step 6: Final answer
   x = 5,499.95