Finding the Fourth Proportional to 25,697.15, 35,473.00 and 15,628.82

Step by Step Solution

1. Step 1: Write the proportion equation
   25,697.15 : 35,473.00 = 15,628.82 : x
2. Step 2: Convert to fraction form
   25,697.15/35,473.00 = 15,628.82/x
3. Step 3: Cross multiply
   25,697.15x = 35,473.00 × 15,628.82
4. Step 4: Simplify right side
   25,697.15x = 554,401,053.72
5. Step 5: Solve for x
   x = 554,401,053.72/25,697.15
6. Step 6: Final answer
   x = 21,574.42