Finding the Fourth Proportional to 10,029.50, 13,839.78 and 5,553.03

Step by Step Solution

1. Step 1: Write the proportion equation
   10,029.50 : 13,839.78 = 5,553.03 : x
2. Step 2: Convert to fraction form
   10,029.50/13,839.78 = 5,553.03/x
3. Step 3: Cross multiply
   10,029.50x = 13,839.78 × 5,553.03
4. Step 4: Simplify right side
   10,029.50x = 76,852,685.77
5. Step 5: Solve for x
   x = 76,852,685.77/10,029.50
6. Step 6: Final answer
   x = 7,662.67