Finding the Fourth Proportional to 3,869.83, 5,340.50 and 2,297.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,869.83 : 5,340.50 = 2,297.62 : x
2. Step 2: Convert to fraction form
   3,869.83/5,340.50 = 2,297.62/x
3. Step 3: Cross multiply
   3,869.83x = 5,340.50 × 2,297.62
4. Step 4: Simplify right side
   3,869.83x = 12,270,439.61
5. Step 5: Solve for x
   x = 12,270,439.61/3,869.83
6. Step 6: Final answer
   x = 3,170.80