Finding the Fourth Proportional to 2,058.72, 3,074.48 and 1,946.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,058.72 : 3,074.48 = 1,946.40 : x
2. Step 2: Convert to fraction form
   2,058.72/3,074.48 = 1,946.40/x
3. Step 3: Cross multiply
   2,058.72x = 3,074.48 × 1,946.40
4. Step 4: Simplify right side
   2,058.72x = 5,984,167.87
5. Step 5: Solve for x
   x = 5,984,167.87/2,058.72
6. Step 6: Final answer
   x = 2,906.74