Finding the Fourth Proportional to 3,946.27, 5,909.67 and 3,061.40

Step by Step Solution

1. Step 1: Write the proportion equation
   3,946.27 : 5,909.67 = 3,061.40 : x
2. Step 2: Convert to fraction form
   3,946.27/5,909.67 = 3,061.40/x
3. Step 3: Cross multiply
   3,946.27x = 5,909.67 × 3,061.40
4. Step 4: Simplify right side
   3,946.27x = 18,091,863.74
5. Step 5: Solve for x
   x = 18,091,863.74/3,946.27
6. Step 6: Final answer
   x = 4,584.55