Finding the Fourth Proportional to 8,796.76, 12,139.89 and 4,818.22

Step by Step Solution

1. Step 1: Write the proportion equation
   8,796.76 : 12,139.89 = 4,818.22 : x
2. Step 2: Convert to fraction form
   8,796.76/12,139.89 = 4,818.22/x
3. Step 3: Cross multiply
   8,796.76x = 12,139.89 × 4,818.22
4. Step 4: Simplify right side
   8,796.76x = 58,492,660.80
5. Step 5: Solve for x
   x = 58,492,660.80/8,796.76
6. Step 6: Final answer
   x = 6,649.34