Finding the Fourth Proportional to 3,782.49, 5,219.77 and 2,103.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,782.49 : 5,219.77 = 2,103.69 : x
2. Step 2: Convert to fraction form
   3,782.49/5,219.77 = 2,103.69/x
3. Step 3: Cross multiply
   3,782.49x = 5,219.77 × 2,103.69
4. Step 4: Simplify right side
   3,782.49x = 10,980,741.33
5. Step 5: Solve for x
   x = 10,980,741.33/3,782.49
6. Step 6: Final answer
   x = 2,903.05