Finding the Fourth Proportional to 10,912.32, 16,343.82 and 8,944.02

Step by Step Solution

1. Step 1: Write the proportion equation
   10,912.32 : 16,343.82 = 8,944.02 : x
2. Step 2: Convert to fraction form
   10,912.32/16,343.82 = 8,944.02/x
3. Step 3: Cross multiply
   10,912.32x = 16,343.82 × 8,944.02
4. Step 4: Simplify right side
   10,912.32x = 146,179,452.96
5. Step 5: Solve for x
   x = 146,179,452.96/10,912.32
6. Step 6: Final answer
   x = 13,395.82