Finding the Fourth Proportional to 8,773.69, 12,087.17 and 6,116.35

Step by Step Solution

1. Step 1: Write the proportion equation
   8,773.69 : 12,087.17 = 6,116.35 : x
2. Step 2: Convert to fraction form
   8,773.69/12,087.17 = 6,116.35/x
3. Step 3: Cross multiply
   8,773.69x = 12,087.17 × 6,116.35
4. Step 4: Simplify right side
   8,773.69x = 73,929,329.83
5. Step 5: Solve for x
   x = 73,929,329.83/8,773.69
6. Step 6: Final answer
   x = 8,426.25