Finding the Fourth Proportional to 50,528.97, 69,721.83 and 30,381.03

Step by Step Solution

1. Step 1: Write the proportion equation
   50,528.97 : 69,721.83 = 30,381.03 : x
2. Step 2: Convert to fraction form
   50,528.97/69,721.83 = 30,381.03/x
3. Step 3: Cross multiply
   50,528.97x = 69,721.83 × 30,381.03
4. Step 4: Simplify right side
   50,528.97x = 2,118,221,008.88
5. Step 5: Solve for x
   x = 2,118,221,008.88/50,528.97
6. Step 6: Final answer
   x = 41,920.92