Finding the Fourth Proportional to 25,563.24, 35,278.50 and 14,385

Step by Step Solution

1. Step 1: Write the proportion equation
   25,563.24 : 35,278.50 = 14,385 : x
2. Step 2: Convert to fraction form
   25,563.24/35,278.50 = 14,385/x
3. Step 3: Cross multiply
   25,563.24x = 35,278.50 × 14,385
4. Step 4: Simplify right side
   25,563.24x = 507,481,222.50
5. Step 5: Solve for x
   x = 507,481,222.50/25,563.24
6. Step 6: Final answer
   x = 19,851.99