Finding the Fourth Proportional to 10,029.15, 13,839.89 and 5,553.09

Step by Step Solution

1. Step 1: Write the proportion equation
   10,029.15 : 13,839.89 = 5,553.09 : x
2. Step 2: Convert to fraction form
   10,029.15/13,839.89 = 5,553.09/x
3. Step 3: Cross multiply
   10,029.15x = 13,839.89 × 5,553.09
4. Step 4: Simplify right side
   10,029.15x = 76,854,126.99
5. Step 5: Solve for x
   x = 76,854,126.99/10,029.15
6. Step 6: Final answer
   x = 7,663.07