Finding the Fourth Proportional to 3,757.93, 5,643.47 and 3,609.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,757.93 : 5,643.47 = 3,609.16 : x
2. Step 2: Convert to fraction form
   3,757.93/5,643.47 = 3,609.16/x
3. Step 3: Cross multiply
   3,757.93x = 5,643.47 × 3,609.16
4. Step 4: Simplify right side
   3,757.93x = 20,368,181.10
5. Step 5: Solve for x
   x = 20,368,181.10/3,757.93
6. Step 6: Final answer
   x = 5,420.06