Finding the Fourth Proportional to 50,442.76, 69,605.86 and 31,058.60

Step by Step Solution

1. Step 1: Write the proportion equation
   50,442.76 : 69,605.86 = 31,058.60 : x
2. Step 2: Convert to fraction form
   50,442.76/69,605.86 = 31,058.60/x
3. Step 3: Cross multiply
   50,442.76x = 69,605.86 × 31,058.60
4. Step 4: Simplify right side
   50,442.76x = 2,161,860,442.94
5. Step 5: Solve for x
   x = 2,161,860,442.94/50,442.76
6. Step 6: Final answer
   x = 42,857.69