Finding the Fourth Proportional to 25,662, 35,413.56 and 14,484.72

Step by Step Solution

1. Step 1: Write the proportion equation
   25,662 : 35,413.56 = 14,484.72 : x
2. Step 2: Convert to fraction form
   25,662/35,413.56 = 14,484.72/x
3. Step 3: Cross multiply
   25,662x = 35,413.56 × 14,484.72
4. Step 4: Simplify right side
   25,662x = 512,955,500.80
5. Step 5: Solve for x
   x = 512,955,500.80/25,662
6. Step 6: Final answer
   x = 19,988.91