Finding the Fourth Proportional to 9,028.32, 13,544.69 and 3,105.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,028.32 : 13,544.69 = 3,105.30 : x
2. Step 2: Convert to fraction form
   9,028.32/13,544.69 = 3,105.30/x
3. Step 3: Cross multiply
   9,028.32x = 13,544.69 × 3,105.30
4. Step 4: Simplify right side
   9,028.32x = 42,060,325.86
5. Step 5: Solve for x
   x = 42,060,325.86/9,028.32
6. Step 6: Final answer
   x = 4,658.71