Finding the Fourth Proportional to 2,016.25, 2,776.06 and 1,831.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,016.25 : 2,776.06 = 1,831.70 : x
2. Step 2: Convert to fraction form
   2,016.25/2,776.06 = 1,831.70/x
3. Step 3: Cross multiply
   2,016.25x = 2,776.06 × 1,831.70
4. Step 4: Simplify right side
   2,016.25x = 5,084,909.10
5. Step 5: Solve for x
   x = 5,084,909.10/2,016.25
6. Step 6: Final answer
   x = 2,521.96