Finding the Fourth Proportional to 10,028.41, 13,839.17 and 5,551.89

Step by Step Solution

1. Step 1: Write the proportion equation
   10,028.41 : 13,839.17 = 5,551.89 : x
2. Step 2: Convert to fraction form
   10,028.41/13,839.17 = 5,551.89/x
3. Step 3: Cross multiply
   10,028.41x = 13,839.17 × 5,551.89
4. Step 4: Simplify right side
   10,028.41x = 76,833,521.77
5. Step 5: Solve for x
   x = 76,833,521.77/10,028.41
6. Step 6: Final answer
   x = 7,661.59