Finding the Fourth Proportional to 5,919.25, 8,172.69 and 3,682.13

Step by Step Solution

1. Step 1: Write the proportion equation
   5,919.25 : 8,172.69 = 3,682.13 : x
2. Step 2: Convert to fraction form
   5,919.25/8,172.69 = 3,682.13/x
3. Step 3: Cross multiply
   5,919.25x = 8,172.69 × 3,682.13
4. Step 4: Simplify right side
   5,919.25x = 30,092,907.03
5. Step 5: Solve for x
   x = 30,092,907.03/5,919.25
6. Step 6: Final answer
   x = 5,083.91