Finding the Fourth Proportional to 3,782.58, 5,219.86 and 2,103.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,782.58 : 5,219.86 = 2,103.96 : x
2. Step 2: Convert to fraction form
   3,782.58/5,219.86 = 2,103.96/x
3. Step 3: Cross multiply
   3,782.58x = 5,219.86 × 2,103.96
4. Step 4: Simplify right side
   3,782.58x = 10,982,365.54
5. Step 5: Solve for x
   x = 10,982,365.54/3,782.58
6. Step 6: Final answer
   x = 2,903.40