Finding the Fourth Proportional to 25,559.50, 35,272.12 and 14,381.50

Step by Step Solution

1. Step 1: Write the proportion equation
   25,559.50 : 35,272.12 = 14,381.50 : x
2. Step 2: Convert to fraction form
   25,559.50/35,272.12 = 14,381.50/x
3. Step 3: Cross multiply
   25,559.50x = 35,272.12 × 14,381.50
4. Step 4: Simplify right side
   25,559.50x = 507,265,993.78
5. Step 5: Solve for x
   x = 507,265,993.78/25,559.50
6. Step 6: Final answer
   x = 19,846.48