Finding the Fourth Proportional to 3,990.33, 5,987.52 and 1,798.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,990.33 : 5,987.52 = 1,798.52 : x
2. Step 2: Convert to fraction form
   3,990.33/5,987.52 = 1,798.52/x
3. Step 3: Cross multiply
   3,990.33x = 5,987.52 × 1,798.52
4. Step 4: Simplify right side
   3,990.33x = 10,768,644.53
5. Step 5: Solve for x
   x = 10,768,644.53/3,990.33
6. Step 6: Final answer
   x = 2,698.69