Finding the Fourth Proportional to 25,401.76, 35,046.28 and 16,456.12

Step by Step Solution

1. Step 1: Write the proportion equation
   25,401.76 : 35,046.28 = 16,456.12 : x
2. Step 2: Convert to fraction form
   25,401.76/35,046.28 = 16,456.12/x
3. Step 3: Cross multiply
   25,401.76x = 35,046.28 × 16,456.12
4. Step 4: Simplify right side
   25,401.76x = 576,725,789.23
5. Step 5: Solve for x
   x = 576,725,789.23/25,401.76
6. Step 6: Final answer
   x = 22,704.17