Finding the Fourth Proportional to 10,757.72, 16,141.31 and 4,184.39

Step by Step Solution

1. Step 1: Write the proportion equation
   10,757.72 : 16,141.31 = 4,184.39 : x
2. Step 2: Convert to fraction form
   10,757.72/16,141.31 = 4,184.39/x
3. Step 3: Cross multiply
   10,757.72x = 16,141.31 × 4,184.39
4. Step 4: Simplify right side
   10,757.72x = 67,541,515.23
5. Step 5: Solve for x
   x = 67,541,515.23/10,757.72
6. Step 6: Final answer
   x = 6,278.42