Finding the Fourth Proportional to 30,596.34, 42,223.61 and 17,168.57

Step by Step Solution

1. Step 1: Write the proportion equation
   30,596.34 : 42,223.61 = 17,168.57 : x
2. Step 2: Convert to fraction form
   30,596.34/42,223.61 = 17,168.57/x
3. Step 3: Cross multiply
   30,596.34x = 42,223.61 × 17,168.57
4. Step 4: Simplify right side
   30,596.34x = 724,919,003.94
5. Step 5: Solve for x
   x = 724,919,003.94/30,596.34
6. Step 6: Final answer
   x = 23,693.00