Finding the Fourth Proportional to 10,935.36, 16,402.86 and 3,144.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,935.36 : 16,402.86 = 3,144.15 : x
2. Step 2: Convert to fraction form
   10,935.36/16,402.86 = 3,144.15/x
3. Step 3: Cross multiply
   10,935.36x = 16,402.86 × 3,144.15
4. Step 4: Simplify right side
   10,935.36x = 51,573,052.27
5. Step 5: Solve for x
   x = 51,573,052.27/10,935.36
6. Step 6: Final answer
   x = 4,716.17