Finding the Fourth Proportional to 8,814.76, 13,224.78 and 5,116.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,814.76 : 13,224.78 = 5,116.12 : x
2. Step 2: Convert to fraction form
   8,814.76/13,224.78 = 5,116.12/x
3. Step 3: Cross multiply
   8,814.76x = 13,224.78 × 5,116.12
4. Step 4: Simplify right side
   8,814.76x = 67,659,561.45
5. Step 5: Solve for x
   x = 67,659,561.45/8,814.76
6. Step 6: Final answer
   x = 7,675.71