Finding the Fourth Proportional to 8,796.81, 12,139.89 and 4,818.14

Step by Step Solution

1. Step 1: Write the proportion equation
   8,796.81 : 12,139.89 = 4,818.14 : x
2. Step 2: Convert to fraction form
   8,796.81/12,139.89 = 4,818.14/x
3. Step 3: Cross multiply
   8,796.81x = 12,139.89 × 4,818.14
4. Step 4: Simplify right side
   8,796.81x = 58,491,677.56
5. Step 5: Solve for x
   x = 58,491,677.56/8,796.81
6. Step 6: Final answer
   x = 6,649.19