Finding the Fourth Proportional to 9,028.82, 13,545.44 and 3,105.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,028.82 : 13,545.44 = 3,105.80 : x
2. Step 2: Convert to fraction form
   9,028.82/13,545.44 = 3,105.80/x
3. Step 3: Cross multiply
   9,028.82x = 13,545.44 × 3,105.80
4. Step 4: Simplify right side
   9,028.82x = 42,069,427.55
5. Step 5: Solve for x
   x = 42,069,427.55/9,028.82
6. Step 6: Final answer
   x = 4,659.46