Finding the Fourth Proportional to 8,796.66, 12,139.16 and 5,019.76

Step by Step Solution

1. Step 1: Write the proportion equation
   8,796.66 : 12,139.16 = 5,019.76 : x
2. Step 2: Convert to fraction form
   8,796.66/12,139.16 = 5,019.76/x
3. Step 3: Cross multiply
   8,796.66x = 12,139.16 × 5,019.76
4. Step 4: Simplify right side
   8,796.66x = 60,935,629.53
5. Step 5: Solve for x
   x = 60,935,629.53/8,796.66
6. Step 6: Final answer
   x = 6,927.13