Finding the Fourth Proportional to 8,113.37, 12,160.53 and 3,665.86

Step by Step Solution

1. Step 1: Write the proportion equation
   8,113.37 : 12,160.53 = 3,665.86 : x
2. Step 2: Convert to fraction form
   8,113.37/12,160.53 = 3,665.86/x
3. Step 3: Cross multiply
   8,113.37x = 12,160.53 × 3,665.86
4. Step 4: Simplify right side
   8,113.37x = 44,578,770.10
5. Step 5: Solve for x
   x = 44,578,770.10/8,113.37
6. Step 6: Final answer
   x = 5,494.49