Finding the Fourth Proportional to 10,028.73, 13,839.55 and 5,552.61

Step by Step Solution

1. Step 1: Write the proportion equation
   10,028.73 : 13,839.55 = 5,552.61 : x
2. Step 2: Convert to fraction form
   10,028.73/13,839.55 = 5,552.61/x
3. Step 3: Cross multiply
   10,028.73x = 13,839.55 × 5,552.61
4. Step 4: Simplify right side
   10,028.73x = 76,845,623.73
5. Step 5: Solve for x
   x = 76,845,623.73/10,028.73
6. Step 6: Final answer
   x = 7,662.55