Finding the Fourth Proportional to 50,805.82, 70,112.01 and 28,146.28

Step by Step Solution

1. Step 1: Write the proportion equation
   50,805.82 : 70,112.01 = 28,146.28 : x
2. Step 2: Convert to fraction form
   50,805.82/70,112.01 = 28,146.28/x
3. Step 3: Cross multiply
   50,805.82x = 70,112.01 × 28,146.28
4. Step 4: Simplify right side
   50,805.82x = 1,973,392,159.91
5. Step 5: Solve for x
   x = 1,973,392,159.91/50,805.82
6. Step 6: Final answer
   x = 38,841.86