Finding the Fourth Proportional to 10,933.47, 16,401.29 and 3,143.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,933.47 : 16,401.29 = 3,143.43 : x
2. Step 2: Convert to fraction form
   10,933.47/16,401.29 = 3,143.43/x
3. Step 3: Cross multiply
   10,933.47x = 16,401.29 × 3,143.43
4. Step 4: Simplify right side
   10,933.47x = 51,556,291.31
5. Step 5: Solve for x
   x = 51,556,291.31/10,933.47
6. Step 6: Final answer
   x = 4,715.46