Finding the Fourth Proportional to 8,061.30, 12,087.08 and 3,618.16

Step by Step Solution

1. Step 1: Write the proportion equation
   8,061.30 : 12,087.08 = 3,618.16 : x
2. Step 2: Convert to fraction form
   8,061.30/12,087.08 = 3,618.16/x
3. Step 3: Cross multiply
   8,061.30x = 12,087.08 × 3,618.16
4. Step 4: Simplify right side
   8,061.30x = 43,732,989.37
5. Step 5: Solve for x
   x = 43,732,989.37/8,061.30
6. Step 6: Final answer
   x = 5,425.05