Finding the Fourth Proportional to 50,468.42, 69,649.54 and 28,112.42

Step by Step Solution

1. Step 1: Write the proportion equation
   50,468.42 : 69,649.54 = 28,112.42 : x
2. Step 2: Convert to fraction form
   50,468.42/69,649.54 = 28,112.42/x
3. Step 3: Cross multiply
   50,468.42x = 69,649.54 × 28,112.42
4. Step 4: Simplify right side
   50,468.42x = 1,958,017,121.29
5. Step 5: Solve for x
   x = 1,958,017,121.29/50,468.42
6. Step 6: Final answer
   x = 38,796.88