Finding the Fourth Proportional to 30,719.96, 42,395.76 and 17,292.56

Step by Step Solution

1. Step 1: Write the proportion equation
   30,719.96 : 42,395.76 = 17,292.56 : x
2. Step 2: Convert to fraction form
   30,719.96/42,395.76 = 17,292.56/x
3. Step 3: Cross multiply
   30,719.96x = 42,395.76 × 17,292.56
4. Step 4: Simplify right side
   30,719.96x = 733,131,223.55
5. Step 5: Solve for x
   x = 733,131,223.55/30,719.96
6. Step 6: Final answer
   x = 23,864.98