Finding the Fourth Proportional to 50,658, 69,908.04 and 28,306.32

Step by Step Solution

1. Step 1: Write the proportion equation
   50,658 : 69,908.04 = 28,306.32 : x
2. Step 2: Convert to fraction form
   50,658/69,908.04 = 28,306.32/x
3. Step 3: Cross multiply
   50,658x = 69,908.04 × 28,306.32
4. Step 4: Simplify right side
   50,658x = 1,978,839,350.81
5. Step 5: Solve for x
   x = 1,978,839,350.81/50,658
6. Step 6: Final answer
   x = 39,062.72