Finding the Fourth Proportional to 8,061.40, 12,086.70 and 3,676.60

Step by Step Solution

1. Step 1: Write the proportion equation
   8,061.40 : 12,086.70 = 3,676.60 : x
2. Step 2: Convert to fraction form
   8,061.40/12,086.70 = 3,676.60/x
3. Step 3: Cross multiply
   8,061.40x = 12,086.70 × 3,676.60
4. Step 4: Simplify right side
   8,061.40x = 44,437,961.22
5. Step 5: Solve for x
   x = 44,437,961.22/8,061.40
6. Step 6: Final answer
   x = 5,512.44