Finding the Fourth Proportional to 19,268.72, 28,906.98 and 10,952.72

Step by Step Solution

1. Step 1: Write the proportion equation
   19,268.72 : 28,906.98 = 10,952.72 : x
2. Step 2: Convert to fraction form
   19,268.72/28,906.98 = 10,952.72/x
3. Step 3: Cross multiply
   19,268.72x = 28,906.98 × 10,952.72
4. Step 4: Simplify right side
   19,268.72x = 316,610,057.99
5. Step 5: Solve for x
   x = 316,610,057.99/19,268.72
6. Step 6: Final answer
   x = 16,431.30