Finding the Fourth Proportional to 2,619.82, 3,611.55 and 1,831.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,619.82 : 3,611.55 = 1,831.42 : x
2. Step 2: Convert to fraction form
   2,619.82/3,611.55 = 1,831.42/x
3. Step 3: Cross multiply
   2,619.82x = 3,611.55 × 1,831.42
4. Step 4: Simplify right side
   2,619.82x = 6,614,264.90
5. Step 5: Solve for x
   x = 6,614,264.90/2,619.82
6. Step 6: Final answer
   x = 2,524.70