Finding the Fourth Proportional to 3,871.35, 5,341.67 and 2,357.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,871.35 : 5,341.67 = 2,357.89 : x
2. Step 2: Convert to fraction form
   3,871.35/5,341.67 = 2,357.89/x
3. Step 3: Cross multiply
   3,871.35x = 5,341.67 × 2,357.89
4. Step 4: Simplify right side
   3,871.35x = 12,595,070.28
5. Step 5: Solve for x
   x = 12,595,070.28/3,871.35
6. Step 6: Final answer
   x = 3,253.41