Finding the Fourth Proportional to 4,443.39, 6,128.17 and 3,326.99

Step by Step Solution

1. Step 1: Write the proportion equation
   4,443.39 : 6,128.17 = 3,326.99 : x
2. Step 2: Convert to fraction form
   4,443.39/6,128.17 = 3,326.99/x
3. Step 3: Cross multiply
   4,443.39x = 6,128.17 × 3,326.99
4. Step 4: Simplify right side
   4,443.39x = 20,388,321.35
5. Step 5: Solve for x
   x = 20,388,321.35/4,443.39
6. Step 6: Final answer
   x = 4,588.46