Finding the Fourth Proportional to 10,267.28, 14,168.56 and 5,790.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,267.28 : 14,168.56 = 5,790.86 : x
2. Step 2: Convert to fraction form
   10,267.28/14,168.56 = 5,790.86/x
3. Step 3: Cross multiply
   10,267.28x = 14,168.56 × 5,790.86
4. Step 4: Simplify right side
   10,267.28x = 82,048,147.36
5. Step 5: Solve for x
   x = 82,048,147.36/10,267.28
6. Step 6: Final answer
   x = 7,991.23