Finding the Fourth Proportional to 3,871.90, 5,343.71 and 2,300.00

Step by Step Solution

1. Step 1: Write the proportion equation
   3,871.90 : 5,343.71 = 2,300.00 : x
2. Step 2: Convert to fraction form
   3,871.90/5,343.71 = 2,300.00/x
3. Step 3: Cross multiply
   3,871.90x = 5,343.71 × 2,300.00
4. Step 4: Simplify right side
   3,871.90x = 12,290,494.78
5. Step 5: Solve for x
   x = 12,290,494.78/3,871.90
6. Step 6: Final answer
   x = 3,174.28