Finding the Fourth Proportional to 8,796.82, 12,139.80 and 4,818.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,796.82 : 12,139.80 = 4,818.10 : x
2. Step 2: Convert to fraction form
   8,796.82/12,139.80 = 4,818.10/x
3. Step 3: Cross multiply
   8,796.82x = 12,139.80 × 4,818.10
4. Step 4: Simplify right side
   8,796.82x = 58,490,770.38
5. Step 5: Solve for x
   x = 58,490,770.38/8,796.82
6. Step 6: Final answer
   x = 6,649.08