Finding the Fourth Proportional to 25,359.84, 34,995.78 and 14,028.72

Step by Step Solution

1. Step 1: Write the proportion equation
   25,359.84 : 34,995.78 = 14,028.72 : x
2. Step 2: Convert to fraction form
   25,359.84/34,995.78 = 14,028.72/x
3. Step 3: Cross multiply
   25,359.84x = 34,995.78 × 14,028.72
4. Step 4: Simplify right side
   25,359.84x = 490,945,998.80
5. Step 5: Solve for x
   x = 490,945,998.80/25,359.84
6. Step 6: Final answer
   x = 19,359.19