Finding the Fourth Proportional to 17,405.23, 23,958.52 and 15,022.76

Step by Step Solution

1. Step 1: Write the proportion equation
   17,405.23 : 23,958.52 = 15,022.76 : x
2. Step 2: Convert to fraction form
   17,405.23/23,958.52 = 15,022.76/x
3. Step 3: Cross multiply
   17,405.23x = 23,958.52 × 15,022.76
4. Step 4: Simplify right side
   17,405.23x = 359,923,118.25
5. Step 5: Solve for x
   x = 359,923,118.25/17,405.23
6. Step 6: Final answer
   x = 20,679.02