Finding the Fourth Proportional to 10,028.87, 13,839.34 and 5,552.54

Step by Step Solution

1. Step 1: Write the proportion equation
   10,028.87 : 13,839.34 = 5,552.54 : x
2. Step 2: Convert to fraction form
   10,028.87/13,839.34 = 5,552.54/x
3. Step 3: Cross multiply
   10,028.87x = 13,839.34 × 5,552.54
4. Step 4: Simplify right side
   10,028.87x = 76,843,488.92
5. Step 5: Solve for x
   x = 76,843,488.92/10,028.87
6. Step 6: Final answer
   x = 7,662.23