Finding the Fourth Proportional to 50,283.37, 69,385.98 and 30,139.89

Step by Step Solution

1. Step 1: Write the proportion equation
   50,283.37 : 69,385.98 = 30,139.89 : x
2. Step 2: Convert to fraction form
   50,283.37/69,385.98 = 30,139.89/x
3. Step 3: Cross multiply
   50,283.37x = 69,385.98 × 30,139.89
4. Step 4: Simplify right side
   50,283.37x = 2,091,285,804.74
5. Step 5: Solve for x
   x = 2,091,285,804.74/50,283.37
6. Step 6: Final answer
   x = 41,590.01