Finding the Fourth Proportional to 3,980.14, 5,959.27 and 3,003.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,980.14 : 5,959.27 = 3,003.28 : x
2. Step 2: Convert to fraction form
   3,980.14/5,959.27 = 3,003.28/x
3. Step 3: Cross multiply
   3,980.14x = 5,959.27 × 3,003.28
4. Step 4: Simplify right side
   3,980.14x = 17,897,356.41
5. Step 5: Solve for x
   x = 17,897,356.41/3,980.14
6. Step 6: Final answer
   x = 4,496.67