Finding the Fourth Proportional to 2,647.38, 3,971.48 and 1,348.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,647.38 : 3,971.48 = 1,348.14 : x
2. Step 2: Convert to fraction form
   2,647.38/3,971.48 = 1,348.14/x
3. Step 3: Cross multiply
   2,647.38x = 3,971.48 × 1,348.14
4. Step 4: Simplify right side
   2,647.38x = 5,354,111.05
5. Step 5: Solve for x
   x = 5,354,111.05/2,647.38
6. Step 6: Final answer
   x = 2,022.42