Finding the Fourth Proportional to 8,077.83, 12,116.59 and 3,918.17

Step by Step Solution

1. Step 1: Write the proportion equation
   8,077.83 : 12,116.59 = 3,918.17 : x
2. Step 2: Convert to fraction form
   8,077.83/12,116.59 = 3,918.17/x
3. Step 3: Cross multiply
   8,077.83x = 12,116.59 × 3,918.17
4. Step 4: Simplify right side
   8,077.83x = 47,474,879.94
5. Step 5: Solve for x
   x = 47,474,879.94/8,077.83
6. Step 6: Final answer
   x = 5,877.19