Finding the Fourth Proportional to 3,983.31, 5,978.61 and 2,036.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,983.31 : 5,978.61 = 2,036.88 : x
2. Step 2: Convert to fraction form
   3,983.31/5,978.61 = 2,036.88/x
3. Step 3: Cross multiply
   3,983.31x = 5,978.61 × 2,036.88
4. Step 4: Simplify right side
   3,983.31x = 12,177,711.14
5. Step 5: Solve for x
   x = 12,177,711.14/3,983.31
6. Step 6: Final answer
   x = 3,057.18