Finding the Fourth Proportional to 8,819.76, 13,208.52 and 5,114.16

Step by Step Solution

1. Step 1: Write the proportion equation
   8,819.76 : 13,208.52 = 5,114.16 : x
2. Step 2: Convert to fraction form
   8,819.76/13,208.52 = 5,114.16/x
3. Step 3: Cross multiply
   8,819.76x = 13,208.52 × 5,114.16
4. Step 4: Simplify right side
   8,819.76x = 67,550,484.64
5. Step 5: Solve for x
   x = 67,550,484.64/8,819.76
6. Step 6: Final answer
   x = 7,658.99