Finding the Fourth Proportional to 50,804.62, 70,112.89 and 30,661.18

Step by Step Solution

1. Step 1: Write the proportion equation
   50,804.62 : 70,112.89 = 30,661.18 : x
2. Step 2: Convert to fraction form
   50,804.62/70,112.89 = 30,661.18/x
3. Step 3: Cross multiply
   50,804.62x = 70,112.89 × 30,661.18
4. Step 4: Simplify right side
   50,804.62x = 2,149,743,940.61
5. Step 5: Solve for x
   x = 2,149,743,940.61/50,804.62
6. Step 6: Final answer
   x = 42,313.95