Finding the Fourth Proportional to 8,798.76, 12,142.29 and 4,819.89

Step by Step Solution

1. Step 1: Write the proportion equation
   8,798.76 : 12,142.29 = 4,819.89 : x
2. Step 2: Convert to fraction form
   8,798.76/12,142.29 = 4,819.89/x
3. Step 3: Cross multiply
   8,798.76x = 12,142.29 × 4,819.89
4. Step 4: Simplify right side
   8,798.76x = 58,524,502.15
5. Step 5: Solve for x
   x = 58,524,502.15/8,798.76
6. Step 6: Final answer
   x = 6,651.45