Finding the Fourth Proportional to 3,071.39, 4,238.55 and 1,674.14

Step by Step Solution

1. Step 1: Write the proportion equation
   3,071.39 : 4,238.55 = 1,674.14 : x
2. Step 2: Convert to fraction form
   3,071.39/4,238.55 = 1,674.14/x
3. Step 3: Cross multiply
   3,071.39x = 4,238.55 × 1,674.14
4. Step 4: Simplify right side
   3,071.39x = 7,095,936.69
5. Step 5: Solve for x
   x = 7,095,936.69/3,071.39
6. Step 6: Final answer
   x = 2,310.33