Finding the Fourth Proportional to 25,628.08, 35,360.71 and 15,556.27

Step by Step Solution

1. Step 1: Write the proportion equation
   25,628.08 : 35,360.71 = 15,556.27 : x
2. Step 2: Convert to fraction form
   25,628.08/35,360.71 = 15,556.27/x
3. Step 3: Cross multiply
   25,628.08x = 35,360.71 × 15,556.27
4. Step 4: Simplify right side
   25,628.08x = 550,080,752.15
5. Step 5: Solve for x
   x = 550,080,752.15/25,628.08
6. Step 6: Final answer
   x = 21,463.99