Finding the Fourth Proportional to 17,142.42, 25,716.33 and 7,281.75

Step by Step Solution

1. Step 1: Write the proportion equation
   17,142.42 : 25,716.33 = 7,281.75 : x
2. Step 2: Convert to fraction form
   17,142.42/25,716.33 = 7,281.75/x
3. Step 3: Cross multiply
   17,142.42x = 25,716.33 × 7,281.75
4. Step 4: Simplify right side
   17,142.42x = 187,259,885.98
5. Step 5: Solve for x
   x = 187,259,885.98/17,142.42
6. Step 6: Final answer
   x = 10,923.77