Finding the Fourth Proportional to 25,740, 35,521.92 and 14,562.72

Step by Step Solution

1. Step 1: Write the proportion equation
   25,740 : 35,521.92 = 14,562.72 : x
2. Step 2: Convert to fraction form
   25,740/35,521.92 = 14,562.72/x
3. Step 3: Cross multiply
   25,740x = 35,521.92 × 14,562.72
4. Step 4: Simplify right side
   25,740x = 517,295,774.82
5. Step 5: Solve for x
   x = 517,295,774.82/25,740
6. Step 6: Final answer
   x = 20,096.96