Finding the Fourth Proportional to 50,688, 69,949.44 and 30,816

Step by Step Solution

1. Step 1: Write the proportion equation
   50,688 : 69,949.44 = 30,816 : x
2. Step 2: Convert to fraction form
   50,688/69,949.44 = 30,816/x
3. Step 3: Cross multiply
   50,688x = 69,949.44 × 30,816
4. Step 4: Simplify right side
   50,688x = 2,155,561,943.04
5. Step 5: Solve for x
   x = 2,155,561,943.04/50,688
6. Step 6: Final answer
   x = 42,526.08