Finding the Fourth Proportional to 3,871.80, 5,343.12 and 2,300.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,871.80 : 5,343.12 = 2,300.04 : x
2. Step 2: Convert to fraction form
   3,871.80/5,343.12 = 2,300.04/x
3. Step 3: Cross multiply
   3,871.80x = 5,343.12 × 2,300.04
4. Step 4: Simplify right side
   3,871.80x = 12,289,389.72
5. Step 5: Solve for x
   x = 12,289,389.72/3,871.80
6. Step 6: Final answer
   x = 3,174.08