Finding the Fourth Proportional to 2,684.89, 3,705.34 and 1,489.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,684.89 : 3,705.34 = 1,489.94 : x
2. Step 2: Convert to fraction form
   2,684.89/3,705.34 = 1,489.94/x
3. Step 3: Cross multiply
   2,684.89x = 3,705.34 × 1,489.94
4. Step 4: Simplify right side
   2,684.89x = 5,520,734.28
5. Step 5: Solve for x
   x = 5,520,734.28/2,684.89
6. Step 6: Final answer
   x = 2,056.22