Finding the Fourth Proportional to 30,922.24, 42,671.55 and 16,774.78

Step by Step Solution

1. Step 1: Write the proportion equation
   30,922.24 : 42,671.55 = 16,774.78 : x
2. Step 2: Convert to fraction form
   30,922.24/42,671.55 = 16,774.78/x
3. Step 3: Cross multiply
   30,922.24x = 42,671.55 × 16,774.78
4. Step 4: Simplify right side
   30,922.24x = 715,805,863.51
5. Step 5: Solve for x
   x = 715,805,863.51/30,922.24
6. Step 6: Final answer
   x = 23,148.58