Finding the Fourth Proportional to 25,674.72, 35,420.56 and 15,601.56

Step by Step Solution

1. Step 1: Write the proportion equation
   25,674.72 : 35,420.56 = 15,601.56 : x
2. Step 2: Convert to fraction form
   25,674.72/35,420.56 = 15,601.56/x
3. Step 3: Cross multiply
   25,674.72x = 35,420.56 × 15,601.56
4. Step 4: Simplify right side
   25,674.72x = 552,615,992.07
5. Step 5: Solve for x
   x = 552,615,992.07/25,674.72
6. Step 6: Final answer
   x = 21,523.74