Finding the Fourth Proportional to 1,993.36, 2,987.30 and 1,017.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,993.36 : 2,987.30 = 1,017.41 : x
2. Step 2: Convert to fraction form
   1,993.36/2,987.30 = 1,017.41/x
3. Step 3: Cross multiply
   1,993.36x = 2,987.30 × 1,017.41
4. Step 4: Simplify right side
   1,993.36x = 3,039,308.89
5. Step 5: Solve for x
   x = 3,039,308.89/1,993.36
6. Step 6: Final answer
   x = 1,524.72