Finding the Fourth Proportional to 52,791.72, 72,852.50 and 30,137.82

Step by Step Solution

1. Step 1: Write the proportion equation
   52,791.72 : 72,852.50 = 30,137.82 : x
2. Step 2: Convert to fraction form
   52,791.72/72,852.50 = 30,137.82/x
3. Step 3: Cross multiply
   52,791.72x = 72,852.50 × 30,137.82
4. Step 4: Simplify right side
   52,791.72x = 2,195,615,573.97
5. Step 5: Solve for x
   x = 2,195,615,573.97/52,791.72
6. Step 6: Final answer
   x = 41,590.15