Finding the Fourth Proportional to 8,155.39, 12,227.61 and 3,770.45

Step by Step Solution

1. Step 1: Write the proportion equation
   8,155.39 : 12,227.61 = 3,770.45 : x
2. Step 2: Convert to fraction form
   8,155.39/12,227.61 = 3,770.45/x
3. Step 3: Cross multiply
   8,155.39x = 12,227.61 × 3,770.45
4. Step 4: Simplify right side
   8,155.39x = 46,103,592.12
5. Step 5: Solve for x
   x = 46,103,592.12/8,155.39
6. Step 6: Final answer
   x = 5,653.14