Finding the Fourth Proportional to 25,452, 35,123.78 and 14,274

Step by Step Solution

1. Step 1: Write the proportion equation
   25,452 : 35,123.78 = 14,274 : x
2. Step 2: Convert to fraction form
   25,452/35,123.78 = 14,274/x
3. Step 3: Cross multiply
   25,452x = 35,123.78 × 14,274
4. Step 4: Simplify right side
   25,452x = 501,356,835.72
5. Step 5: Solve for x
   x = 501,356,835.72/25,452
6. Step 6: Final answer
   x = 19,698.13