Finding the Fourth Proportional to 8,017.80, 12,023.46 and 3,087.60

Step by Step Solution

1. Step 1: Write the proportion equation
   8,017.80 : 12,023.46 = 3,087.60 : x
2. Step 2: Convert to fraction form
   8,017.80/12,023.46 = 3,087.60/x
3. Step 3: Cross multiply
   8,017.80x = 12,023.46 × 3,087.60
4. Step 4: Simplify right side
   8,017.80x = 37,123,635.10
5. Step 5: Solve for x
   x = 37,123,635.10/8,017.80
6. Step 6: Final answer
   x = 4,630.15