Finding the Fourth Proportional to 3,784.02, 5,639.37 and 3,587.19

Step by Step Solution

1. Step 1: Write the proportion equation
   3,784.02 : 5,639.37 = 3,587.19 : x
2. Step 2: Convert to fraction form
   3,784.02/5,639.37 = 3,587.19/x
3. Step 3: Cross multiply
   3,784.02x = 5,639.37 × 3,587.19
4. Step 4: Simplify right side
   3,784.02x = 20,229,491.67
5. Step 5: Solve for x
   x = 20,229,491.67/3,784.02
6. Step 6: Final answer
   x = 5,346.03