Finding the Fourth Proportional to 3,786.02, 5,671.72 and 1,839.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,786.02 : 5,671.72 = 1,839.59 : x
2. Step 2: Convert to fraction form
   3,786.02/5,671.72 = 1,839.59/x
3. Step 3: Cross multiply
   3,786.02x = 5,671.72 × 1,839.59
4. Step 4: Simplify right side
   3,786.02x = 10,433,639.39
5. Step 5: Solve for x
   x = 10,433,639.39/3,786.02
6. Step 6: Final answer
   x = 2,755.83