Finding the Fourth Proportional to 10,929.05, 16,404.96 and 9,687.53

Step by Step Solution

1. Step 1: Write the proportion equation
   10,929.05 : 16,404.96 = 9,687.53 : x
2. Step 2: Convert to fraction form
   10,929.05/16,404.96 = 9,687.53/x
3. Step 3: Cross multiply
   10,929.05x = 16,404.96 × 9,687.53
4. Step 4: Simplify right side
   10,929.05x = 158,923,460.12
5. Step 5: Solve for x
   x = 158,923,460.12/10,929.05
6. Step 6: Final answer
   x = 14,541.39