Finding the Fourth Proportional to 1,092.80, 1,642.67 and 1,016.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,092.80 : 1,642.67 = 1,016.75 : x
2. Step 2: Convert to fraction form
   1,092.80/1,642.67 = 1,016.75/x
3. Step 3: Cross multiply
   1,092.80x = 1,642.67 × 1,016.75
4. Step 4: Simplify right side
   1,092.80x = 1,670,184.72
5. Step 5: Solve for x
   x = 1,670,184.72/1,092.80
6. Step 6: Final answer
   x = 1,528.35