Finding the Fourth Proportional to 10,936.02, 16,401.78 and 3,143.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,936.02 : 16,401.78 = 3,143.10 : x
2. Step 2: Convert to fraction form
   10,936.02/16,401.78 = 3,143.10/x
3. Step 3: Cross multiply
   10,936.02x = 16,401.78 × 3,143.10
4. Step 4: Simplify right side
   10,936.02x = 51,552,434.72
5. Step 5: Solve for x
   x = 51,552,434.72/10,936.02
6. Step 6: Final answer
   x = 4,714.00