Finding the Fourth Proportional to 2,469.42, 3,704.18 and 1,380.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,469.42 : 3,704.18 = 1,380.71 : x
2. Step 2: Convert to fraction form
   2,469.42/3,704.18 = 1,380.71/x
3. Step 3: Cross multiply
   2,469.42x = 3,704.18 × 1,380.71
4. Step 4: Simplify right side
   2,469.42x = 5,114,400.72
5. Step 5: Solve for x
   x = 5,114,400.72/2,469.42
6. Step 6: Final answer
   x = 2,071.09