Finding the Fourth Proportional to 25,757.28, 35,543.33 and 14,271.42

Step by Step Solution

1. Step 1: Write the proportion equation
   25,757.28 : 35,543.33 = 14,271.42 : x
2. Step 2: Convert to fraction form
   25,757.28/35,543.33 = 14,271.42/x
3. Step 3: Cross multiply
   25,757.28x = 35,543.33 × 14,271.42
4. Step 4: Simplify right side
   25,757.28x = 507,253,719.27
5. Step 5: Solve for x
   x = 507,253,719.27/25,757.28
6. Step 6: Final answer
   x = 19,693.61