Finding the Fourth Proportional to 3,362.72, 4,640.49 and 1,870.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,362.72 : 4,640.49 = 1,870.61 : x
2. Step 2: Convert to fraction form
   3,362.72/4,640.49 = 1,870.61/x
3. Step 3: Cross multiply
   3,362.72x = 4,640.49 × 1,870.61
4. Step 4: Simplify right side
   3,362.72x = 8,680,530.72
5. Step 5: Solve for x
   x = 8,680,530.72/3,362.72
6. Step 6: Final answer
   x = 2,581.40