Finding the Fourth Proportional to 30,906.48, 42,650.96 and 16,759.32

Step by Step Solution

1. Step 1: Write the proportion equation
   30,906.48 : 42,650.96 = 16,759.32 : x
2. Step 2: Convert to fraction form
   30,906.48/42,650.96 = 16,759.32/x
3. Step 3: Cross multiply
   30,906.48x = 42,650.96 × 16,759.32
4. Step 4: Simplify right side
   30,906.48x = 714,801,086.95
5. Step 5: Solve for x
   x = 714,801,086.95/30,906.48
6. Step 6: Final answer
   x = 23,127.87