Finding the Fourth Proportional to 2,910.62, 4,016.75 and 2,061.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,910.62 : 4,016.75 = 2,061.40 : x
2. Step 2: Convert to fraction form
   2,910.62/4,016.75 = 2,061.40/x
3. Step 3: Cross multiply
   2,910.62x = 4,016.75 × 2,061.40
4. Step 4: Simplify right side
   2,910.62x = 8,280,099.35
5. Step 5: Solve for x
   x = 8,280,099.35/2,910.62
6. Step 6: Final answer
   x = 2,844.79