Finding the Fourth Proportional to 17,042.67, 25,535.79 and 10,380.96

Step by Step Solution

1. Step 1: Write the proportion equation
   17,042.67 : 25,535.79 = 10,380.96 : x
2. Step 2: Convert to fraction form
   17,042.67/25,535.79 = 10,380.96/x
3. Step 3: Cross multiply
   17,042.67x = 25,535.79 × 10,380.96
4. Step 4: Simplify right side
   17,042.67x = 265,086,014.56
5. Step 5: Solve for x
   x = 265,086,014.56/17,042.67
6. Step 6: Final answer
   x = 15,554.25