Finding the Fourth Proportional to 25,809.87, 38,714.72 and 17,042.70

Step by Step Solution

1. Step 1: Write the proportion equation
   25,809.87 : 38,714.72 = 17,042.70 : x
2. Step 2: Convert to fraction form
   25,809.87/38,714.72 = 17,042.70/x
3. Step 3: Cross multiply
   25,809.87x = 38,714.72 × 17,042.70
4. Step 4: Simplify right side
   25,809.87x = 659,803,273.33
5. Step 5: Solve for x
   x = 659,803,273.33/25,809.87
6. Step 6: Final answer
   x = 25,563.99