Finding the Fourth Proportional to 10,756.57, 16,134.81 and 7,057.91

Step by Step Solution

1. Step 1: Write the proportion equation
   10,756.57 : 16,134.81 = 7,057.91 : x
2. Step 2: Convert to fraction form
   10,756.57/16,134.81 = 7,057.91/x
3. Step 3: Cross multiply
   10,756.57x = 16,134.81 × 7,057.91
4. Step 4: Simplify right side
   10,756.57x = 113,878,036.85
5. Step 5: Solve for x
   x = 113,878,036.85/10,756.57
6. Step 6: Final answer
   x = 10,586.84