Finding the Fourth Proportional to 1,991.52, 2,983.98 and 1,016.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,991.52 : 2,983.98 = 1,016.28 : x
2. Step 2: Convert to fraction form
   1,991.52/2,983.98 = 1,016.28/x
3. Step 3: Cross multiply
   1,991.52x = 2,983.98 × 1,016.28
4. Step 4: Simplify right side
   1,991.52x = 3,032,559.19
5. Step 5: Solve for x
   x = 3,032,559.19/1,991.52
6. Step 6: Final answer
   x = 1,522.74