Finding the Fourth Proportional to 50,478.36, 69,656.81 and 30,323.31

Step by Step Solution

1. Step 1: Write the proportion equation
   50,478.36 : 69,656.81 = 30,323.31 : x
2. Step 2: Convert to fraction form
   50,478.36/69,656.81 = 30,323.31/x
3. Step 3: Cross multiply
   50,478.36x = 69,656.81 × 30,323.31
4. Step 4: Simplify right side
   50,478.36x = 2,112,224,891.62
5. Step 5: Solve for x
   x = 2,112,224,891.62/50,478.36
6. Step 6: Final answer
   x = 41,844.17