Finding the Fourth Proportional to 1,992.64, 2,986.98 and 1,016.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,992.64 : 2,986.98 = 1,016.56 : x
2. Step 2: Convert to fraction form
   1,992.64/2,986.98 = 1,016.56/x
3. Step 3: Cross multiply
   1,992.64x = 2,986.98 × 1,016.56
4. Step 4: Simplify right side
   1,992.64x = 3,036,444.39
5. Step 5: Solve for x
   x = 3,036,444.39/1,992.64
6. Step 6: Final answer
   x = 1,523.83