Finding the Fourth Proportional to 2,016.98, 2,784.54 and 1,485.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,016.98 : 2,784.54 = 1,485.42 : x
2. Step 2: Convert to fraction form
   2,016.98/2,784.54 = 1,485.42/x
3. Step 3: Cross multiply
   2,016.98x = 2,784.54 × 1,485.42
4. Step 4: Simplify right side
   2,016.98x = 4,136,211.41
5. Step 5: Solve for x
   x = 4,136,211.41/2,016.98
6. Step 6: Final answer
   x = 2,050.70