Finding the Fourth Proportional to 9,028.05, 13,541.64 and 3,105.53

Step by Step Solution

1. Step 1: Write the proportion equation
   9,028.05 : 13,541.64 = 3,105.53 : x
2. Step 2: Convert to fraction form
   9,028.05/13,541.64 = 3,105.53/x
3. Step 3: Cross multiply
   9,028.05x = 13,541.64 × 3,105.53
4. Step 4: Simplify right side
   9,028.05x = 42,053,901.56
5. Step 5: Solve for x
   x = 42,053,901.56/9,028.05
6. Step 6: Final answer
   x = 4,658.14