Finding the Fourth Proportional to 2,086.23, 3,127.73 and 1,219.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086.23 : 3,127.73 = 1,219.53 : x
2. Step 2: Convert to fraction form
   2,086.23/3,127.73 = 1,219.53/x
3. Step 3: Cross multiply
   2,086.23x = 3,127.73 × 1,219.53
4. Step 4: Simplify right side
   2,086.23x = 3,814,354.47
5. Step 5: Solve for x
   x = 3,814,354.47/2,086.23
6. Step 6: Final answer
   x = 1,828.35