Finding the Fourth Proportional to 9,518.56, 13,126.16 and 5,790.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,518.56 : 13,126.16 = 5,790.24 : x
2. Step 2: Convert to fraction form
   9,518.56/13,126.16 = 5,790.24/x
3. Step 3: Cross multiply
   9,518.56x = 13,126.16 × 5,790.24
4. Step 4: Simplify right side
   9,518.56x = 76,003,616.68
5. Step 5: Solve for x
   x = 76,003,616.68/9,518.56
6. Step 6: Final answer
   x = 7,984.78