Finding the Fourth Proportional to 2,456.35, 3,683.77 and 1,900.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.35 : 3,683.77 = 1,900.69 : x
2. Step 2: Convert to fraction form
   2,456.35/3,683.77 = 1,900.69/x
3. Step 3: Cross multiply
   2,456.35x = 3,683.77 × 1,900.69
4. Step 4: Simplify right side
   2,456.35x = 7,001,704.80
5. Step 5: Solve for x
   x = 7,001,704.80/2,456.35
6. Step 6: Final answer
   x = 2,850.45