Finding the Fourth Proportional to 19,380, 26,744.72 and 10,548

Step by Step Solution

1. Step 1: Write the proportion equation
   19,380 : 26,744.72 = 10,548 : x
2. Step 2: Convert to fraction form
   19,380/26,744.72 = 10,548/x
3. Step 3: Cross multiply
   19,380x = 26,744.72 × 10,548
4. Step 4: Simplify right side
   19,380x = 282,103,306.56
5. Step 5: Solve for x
   x = 282,103,306.56/19,380
6. Step 6: Final answer
   x = 14,556.41