Finding the Fourth Proportional to 10,447.06, 15,665.42 and 3,330.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,447.06 : 15,665.42 = 3,330.38 : x
2. Step 2: Convert to fraction form
   10,447.06/15,665.42 = 3,330.38/x
3. Step 3: Cross multiply
   10,447.06x = 15,665.42 × 3,330.38
4. Step 4: Simplify right side
   10,447.06x = 52,171,801.46
5. Step 5: Solve for x
   x = 52,171,801.46/10,447.06
6. Step 6: Final answer
   x = 4,993.92