Finding the Fourth Proportional to 6,128.38, 8,459.06 and 3,610.28

Step by Step Solution

1. Step 1: Write the proportion equation
   6,128.38 : 8,459.06 = 3,610.28 : x
2. Step 2: Convert to fraction form
   6,128.38/8,459.06 = 3,610.28/x
3. Step 3: Cross multiply
   6,128.38x = 8,459.06 × 3,610.28
4. Step 4: Simplify right side
   6,128.38x = 30,539,575.14
5. Step 5: Solve for x
   x = 30,539,575.14/6,128.38
6. Step 6: Final answer
   x = 4,983.30