Finding the Fourth Proportional to 10,934.32, 16,401.50 and 3,143.14

Step by Step Solution

1. Step 1: Write the proportion equation
   10,934.32 : 16,401.50 = 3,143.14 : x
2. Step 2: Convert to fraction form
   10,934.32/16,401.50 = 3,143.14/x
3. Step 3: Cross multiply
   10,934.32x = 16,401.50 × 3,143.14
4. Step 4: Simplify right side
   10,934.32x = 51,552,210.71
5. Step 5: Solve for x
   x = 51,552,210.71/10,934.32
6. Step 6: Final answer
   x = 4,714.72