Finding the Fourth Proportional to 3,071.43, 4,238.58 and 1,674.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,071.43 : 4,238.58 = 1,674.18 : x
2. Step 2: Convert to fraction form
   3,071.43/4,238.58 = 1,674.18/x
3. Step 3: Cross multiply
   3,071.43x = 4,238.58 × 1,674.18
4. Step 4: Simplify right side
   3,071.43x = 7,096,145.86
5. Step 5: Solve for x
   x = 7,096,145.86/3,071.43
6. Step 6: Final answer
   x = 2,310.37