Finding the Fourth Proportional to 2,099.50, 3,149.81 and 1,869.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,099.50 : 3,149.81 = 1,869.96 : x
2. Step 2: Convert to fraction form
   2,099.50/3,149.81 = 1,869.96/x
3. Step 3: Cross multiply
   2,099.50x = 3,149.81 × 1,869.96
4. Step 4: Simplify right side
   2,099.50x = 5,890,018.71
5. Step 5: Solve for x
   x = 5,890,018.71/2,099.50
6. Step 6: Final answer
   x = 2,805.44