Finding the Fourth Proportional to 6,048.43, 9,078.83 and 3,128.83

Step by Step Solution

1. Step 1: Write the proportion equation
   6,048.43 : 9,078.83 = 3,128.83 : x
2. Step 2: Convert to fraction form
   6,048.43/9,078.83 = 3,128.83/x
3. Step 3: Cross multiply
   6,048.43x = 9,078.83 × 3,128.83
4. Step 4: Simplify right side
   6,048.43x = 28,406,115.67
5. Step 5: Solve for x
   x = 28,406,115.67/6,048.43
6. Step 6: Final answer
   x = 4,696.44