Finding the Fourth Proportional to 3,033.79, 4,159.33 and 2,978.43

Step by Step Solution

1. Step 1: Write the proportion equation
   3,033.79 : 4,159.33 = 2,978.43 : x
2. Step 2: Convert to fraction form
   3,033.79/4,159.33 = 2,978.43/x
3. Step 3: Cross multiply
   3,033.79x = 4,159.33 × 2,978.43
4. Step 4: Simplify right side
   3,033.79x = 12,388,273.25
5. Step 5: Solve for x
   x = 12,388,273.25/3,033.79
6. Step 6: Final answer
   x = 4,083.43