Finding the Fourth Proportional to 9,954.72, 14,938.56 and 4,411.68

Step by Step Solution

1. Step 1: Write the proportion equation
   9,954.72 : 14,938.56 = 4,411.68 : x
2. Step 2: Convert to fraction form
   9,954.72/14,938.56 = 4,411.68/x
3. Step 3: Cross multiply
   9,954.72x = 14,938.56 × 4,411.68
4. Step 4: Simplify right side
   9,954.72x = 65,904,146.38
5. Step 5: Solve for x
   x = 65,904,146.38/9,954.72
6. Step 6: Final answer
   x = 6,620.39