Finding the Fourth Proportional to 8,061.90, 12,087.45 and 3,677.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,061.90 : 12,087.45 = 3,677.10 : x
2. Step 2: Convert to fraction form
   8,061.90/12,087.45 = 3,677.10/x
3. Step 3: Cross multiply
   8,061.90x = 12,087.45 × 3,677.10
4. Step 4: Simplify right side
   8,061.90x = 44,446,762.40
5. Step 5: Solve for x
   x = 44,446,762.40/8,061.90
6. Step 6: Final answer
   x = 5,513.19