Finding the Fourth Proportional to 2,418.34, 3,629.62 and 1,380.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,418.34 : 3,629.62 = 1,380.42 : x
2. Step 2: Convert to fraction form
   2,418.34/3,629.62 = 1,380.42/x
3. Step 3: Cross multiply
   2,418.34x = 3,629.62 × 1,380.42
4. Step 4: Simplify right side
   2,418.34x = 5,010,400.04
5. Step 5: Solve for x
   x = 5,010,400.04/2,418.34
6. Step 6: Final answer
   x = 2,071.83