Finding the Fourth Proportional to 30,659.34, 42,307.27 and 17,229.54

Step by Step Solution

1. Step 1: Write the proportion equation
   30,659.34 : 42,307.27 = 17,229.54 : x
2. Step 2: Convert to fraction form
   30,659.34/42,307.27 = 17,229.54/x
3. Step 3: Cross multiply
   30,659.34x = 42,307.27 × 17,229.54
4. Step 4: Simplify right side
   30,659.34x = 728,934,800.76
5. Step 5: Solve for x
   x = 728,934,800.76/30,659.34
6. Step 6: Final answer
   x = 23,775.29