Finding the Fourth Proportional to 19,150.72, 26,426.64 and 10,768.48

Step by Step Solution

1. Step 1: Write the proportion equation
   19,150.72 : 26,426.64 = 10,768.48 : x
2. Step 2: Convert to fraction form
   19,150.72/26,426.64 = 10,768.48/x
3. Step 3: Cross multiply
   19,150.72x = 26,426.64 × 10,768.48
4. Step 4: Simplify right side
   19,150.72x = 284,574,744.31
5. Step 5: Solve for x
   x = 284,574,744.31/19,150.72
6. Step 6: Final answer
   x = 14,859.74