Finding the Fourth Proportional to 50,152.97, 69,213.35 and 28,644.59

Step by Step Solution

1. Step 1: Write the proportion equation
   50,152.97 : 69,213.35 = 28,644.59 : x
2. Step 2: Convert to fraction form
   50,152.97/69,213.35 = 28,644.59/x
3. Step 3: Cross multiply
   50,152.97x = 69,213.35 × 28,644.59
4. Step 4: Simplify right side
   50,152.97x = 1,982,587,758.82
5. Step 5: Solve for x
   x = 1,982,587,758.82/50,152.97
6. Step 6: Final answer
   x = 39,530.82