Finding the Fourth Proportional to 25,052.72, 34,568.56 and 14,985.28

Step by Step Solution

1. Step 1: Write the proportion equation
   25,052.72 : 34,568.56 = 14,985.28 : x
2. Step 2: Convert to fraction form
   25,052.72/34,568.56 = 14,985.28/x
3. Step 3: Cross multiply
   25,052.72x = 34,568.56 × 14,985.28
4. Step 4: Simplify right side
   25,052.72x = 518,019,550.80
5. Step 5: Solve for x
   x = 518,019,550.80/25,052.72
6. Step 6: Final answer
   x = 20,677.18