Finding the Fourth Proportional to 10,065.78, 15,103.69 and 4,523.09

Step by Step Solution

1. Step 1: Write the proportion equation
   10,065.78 : 15,103.69 = 4,523.09 : x
2. Step 2: Convert to fraction form
   10,065.78/15,103.69 = 4,523.09/x
3. Step 3: Cross multiply
   10,065.78x = 15,103.69 × 4,523.09
4. Step 4: Simplify right side
   10,065.78x = 68,315,262.38
5. Step 5: Solve for x
   x = 68,315,262.38/10,065.78
6. Step 6: Final answer
   x = 6,786.88