Finding the Fourth Proportional to 19,266.72, 28,903.98 and 10,950.72

Step by Step Solution

1. Step 1: Write the proportion equation
   19,266.72 : 28,903.98 = 10,950.72 : x
2. Step 2: Convert to fraction form
   19,266.72/28,903.98 = 10,950.72/x
3. Step 3: Cross multiply
   19,266.72x = 28,903.98 × 10,950.72
4. Step 4: Simplify right side
   19,266.72x = 316,519,391.87
5. Step 5: Solve for x
   x = 316,519,391.87/19,266.72
6. Step 6: Final answer
   x = 16,428.30