Finding the Fourth Proportional to 25,453.98, 35,123.67 and 14,123.10

Step by Step Solution

1. Step 1: Write the proportion equation
   25,453.98 : 35,123.67 = 14,123.10 : x
2. Step 2: Convert to fraction form
   25,453.98/35,123.67 = 14,123.10/x
3. Step 3: Cross multiply
   25,453.98x = 35,123.67 × 14,123.10
4. Step 4: Simplify right side
   25,453.98x = 496,055,103.78
5. Step 5: Solve for x
   x = 496,055,103.78/25,453.98
6. Step 6: Final answer
   x = 19,488.31