Finding the Fourth Proportional to 3,924.72, 5,880.15 and 2,071.75

Step by Step Solution

1. Step 1: Write the proportion equation
   3,924.72 : 5,880.15 = 2,071.75 : x
2. Step 2: Convert to fraction form
   3,924.72/5,880.15 = 2,071.75/x
3. Step 3: Cross multiply
   3,924.72x = 5,880.15 × 2,071.75
4. Step 4: Simplify right side
   3,924.72x = 12,182,193.83
5. Step 5: Solve for x
   x = 12,182,193.83/3,924.72
6. Step 6: Final answer
   x = 3,103.97