Finding the Fourth Proportional to 3,990.15, 5,984.69 and 1,798.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,990.15 : 5,984.69 = 1,798.83 : x
2. Step 2: Convert to fraction form
   3,990.15/5,984.69 = 1,798.83/x
3. Step 3: Cross multiply
   3,990.15x = 5,984.69 × 1,798.83
4. Step 4: Simplify right side
   3,990.15x = 10,765,430.92
5. Step 5: Solve for x
   x = 10,765,430.92/3,990.15
6. Step 6: Final answer
   x = 2,698.00