Finding the Fourth Proportional to 10,267.12, 14,168.52 and 5,790.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,267.12 : 14,168.52 = 5,790.80 : x
2. Step 2: Convert to fraction form
   10,267.12/14,168.52 = 5,790.80/x
3. Step 3: Cross multiply
   10,267.12x = 14,168.52 × 5,790.80
4. Step 4: Simplify right side
   10,267.12x = 82,047,065.62
5. Step 5: Solve for x
   x = 82,047,065.62/10,267.12
6. Step 6: Final answer
   x = 7,991.24