Finding the Fourth Proportional to 30,277, 41,791.55 and 19,521.89

Step by Step Solution

1. Step 1: Write the proportion equation
   30,277 : 41,791.55 = 19,521.89 : x
2. Step 2: Convert to fraction form
   30,277/41,791.55 = 19,521.89/x
3. Step 3: Cross multiply
   30,277x = 41,791.55 × 19,521.89
4. Step 4: Simplify right side
   30,277x = 815,850,042.03
5. Step 5: Solve for x
   x = 815,850,042.03/30,277
6. Step 6: Final answer
   x = 26,946.20