Finding the Fourth Proportional to 25,631.98, 35,367.89 and 17,120.45

Step by Step Solution

1. Step 1: Write the proportion equation
   25,631.98 : 35,367.89 = 17,120.45 : x
2. Step 2: Convert to fraction form
   25,631.98/35,367.89 = 17,120.45/x
3. Step 3: Cross multiply
   25,631.98x = 35,367.89 × 17,120.45
4. Step 4: Simplify right side
   25,631.98x = 605,514,241.73
5. Step 5: Solve for x
   x = 605,514,241.73/25,631.98
6. Step 6: Final answer
   x = 23,623.39