Finding the Fourth Proportional to 8,798.39, 12,142.07 and 4,819.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,798.39 : 12,142.07 = 4,819.50 : x
2. Step 2: Convert to fraction form
   8,798.39/12,142.07 = 4,819.50/x
3. Step 3: Cross multiply
   8,798.39x = 12,142.07 × 4,819.50
4. Step 4: Simplify right side
   8,798.39x = 58,518,700.34
5. Step 5: Solve for x
   x = 58,518,700.34/8,798.39
6. Step 6: Final answer
   x = 6,651.07