Finding the Fourth Proportional to 10,885.50, 15,013.50 and 7,299.27

Step by Step Solution

1. Step 1: Write the proportion equation
   10,885.50 : 15,013.50 = 7,299.27 : x
2. Step 2: Convert to fraction form
   10,885.50/15,013.50 = 7,299.27/x
3. Step 3: Cross multiply
   10,885.50x = 15,013.50 × 7,299.27
4. Step 4: Simplify right side
   10,885.50x = 109,587,590.15
5. Step 5: Solve for x
   x = 109,587,590.15/10,885.50
6. Step 6: Final answer
   x = 10,067.30