Finding the Fourth Proportional to 30,789.42, 42,465.24 and 22,292.82

Step by Step Solution

1. Step 1: Write the proportion equation
   30,789.42 : 42,465.24 = 22,292.82 : x
2. Step 2: Convert to fraction form
   30,789.42/42,465.24 = 22,292.82/x
3. Step 3: Cross multiply
   30,789.42x = 42,465.24 × 22,292.82
4. Step 4: Simplify right side
   30,789.42x = 946,669,951.58
5. Step 5: Solve for x
   x = 946,669,951.58/30,789.42
6. Step 6: Final answer
   x = 30,746.60