Finding the Fourth Proportional to 3,196.65, 4,411.37 and 1,870.09

Step by Step Solution

1. Step 1: Write the proportion equation
   3,196.65 : 4,411.37 = 1,870.09 : x
2. Step 2: Convert to fraction form
   3,196.65/4,411.37 = 1,870.09/x
3. Step 3: Cross multiply
   3,196.65x = 4,411.37 × 1,870.09
4. Step 4: Simplify right side
   3,196.65x = 8,249,660.60
5. Step 5: Solve for x
   x = 8,249,660.60/3,196.65
6. Step 6: Final answer
   x = 2,580.72