Finding the Fourth Proportional to 5,981.87, 8,259.83 and 5,351.28

Step by Step Solution

1. Step 1: Write the proportion equation
   5,981.87 : 8,259.83 = 5,351.28 : x
2. Step 2: Convert to fraction form
   5,981.87/8,259.83 = 5,351.28/x
3. Step 3: Cross multiply
   5,981.87x = 8,259.83 × 5,351.28
4. Step 4: Simplify right side
   5,981.87x = 44,200,636.33
5. Step 5: Solve for x
   x = 44,200,636.33/5,981.87
6. Step 6: Final answer
   x = 7,389.11