Finding the Fourth Proportional to 2,016.02, 3,023.46 and 861.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,016.02 : 3,023.46 = 861.50 : x
2. Step 2: Convert to fraction form
   2,016.02/3,023.46 = 861.50/x
3. Step 3: Cross multiply
   2,016.02x = 3,023.46 × 861.50
4. Step 4: Simplify right side
   2,016.02x = 2,604,710.79
5. Step 5: Solve for x
   x = 2,604,710.79/2,016.02
6. Step 6: Final answer
   x = 1,292.01