Finding the Fourth Proportional to 3,914.24, 5,875.22 and 2,661

Step by Step Solution

1. Step 1: Write the proportion equation
   3,914.24 : 5,875.22 = 2,661 : x
2. Step 2: Convert to fraction form
   3,914.24/5,875.22 = 2,661/x
3. Step 3: Cross multiply
   3,914.24x = 5,875.22 × 2,661
4. Step 4: Simplify right side
   3,914.24x = 15,633,960.42
5. Step 5: Solve for x
   x = 15,633,960.42/3,914.24
6. Step 6: Final answer
   x = 3,994.12