Finding the Fourth Proportional to 8,116.77, 12,174.55 and 3,436.59

Step by Step Solution

1. Step 1: Write the proportion equation
   8,116.77 : 12,174.55 = 3,436.59 : x
2. Step 2: Convert to fraction form
   8,116.77/12,174.55 = 3,436.59/x
3. Step 3: Cross multiply
   8,116.77x = 12,174.55 × 3,436.59
4. Step 4: Simplify right side
   8,116.77x = 41,838,936.78
5. Step 5: Solve for x
   x = 41,838,936.78/8,116.77
6. Step 6: Final answer
   x = 5,154.63