Finding the Fourth Proportional to 10,757.25, 16,131.78 and 4,182.57

Step by Step Solution

1. Step 1: Write the proportion equation
   10,757.25 : 16,131.78 = 4,182.57 : x
2. Step 2: Convert to fraction form
   10,757.25/16,131.78 = 4,182.57/x
3. Step 3: Cross multiply
   10,757.25x = 16,131.78 × 4,182.57
4. Step 4: Simplify right side
   10,757.25x = 67,472,299.07
5. Step 5: Solve for x
   x = 67,472,299.07/10,757.25
6. Step 6: Final answer
   x = 6,272.26