Finding the Fourth Proportional to 30,651.92, 42,297 and 17,222.12

Step by Step Solution

1. Step 1: Write the proportion equation
   30,651.92 : 42,297 = 17,222.12 : x
2. Step 2: Convert to fraction form
   30,651.92/42,297 = 17,222.12/x
3. Step 3: Cross multiply
   30,651.92x = 42,297 × 17,222.12
4. Step 4: Simplify right side
   30,651.92x = 728,444,009.64
5. Step 5: Solve for x
   x = 728,444,009.64/30,651.92
6. Step 6: Final answer
   x = 23,765.04