Finding the Fourth Proportional to 3,786.02, 5,642.35 and 3,589.19

Step by Step Solution

1. Step 1: Write the proportion equation
   3,786.02 : 5,642.35 = 3,589.19 : x
2. Step 2: Convert to fraction form
   3,786.02/5,642.35 = 3,589.19/x
3. Step 3: Cross multiply
   3,786.02x = 5,642.35 × 3,589.19
4. Step 4: Simplify right side
   3,786.02x = 20,251,466.20
5. Step 5: Solve for x
   x = 20,251,466.20/3,786.02
6. Step 6: Final answer
   x = 5,349.01