Finding the Fourth Proportional to 50,468.18, 69,649.20 and 28,112.18

Step by Step Solution

1. Step 1: Write the proportion equation
   50,468.18 : 69,649.20 = 28,112.18 : x
2. Step 2: Convert to fraction form
   50,468.18/69,649.20 = 28,112.18/x
3. Step 3: Cross multiply
   50,468.18x = 69,649.20 × 28,112.18
4. Step 4: Simplify right side
   50,468.18x = 1,957,990,847.26
5. Step 5: Solve for x
   x = 1,957,990,847.26/50,468.18
6. Step 6: Final answer
   x = 38,796.54