Finding the Fourth Proportional to 50,086.08, 69,112.98 and 28,865.16

Step by Step Solution

1. Step 1: Write the proportion equation
   50,086.08 : 69,112.98 = 28,865.16 : x
2. Step 2: Convert to fraction form
   50,086.08/69,112.98 = 28,865.16/x
3. Step 3: Cross multiply
   50,086.08x = 69,112.98 × 28,865.16
4. Step 4: Simplify right side
   50,086.08x = 1,994,957,225.78
5. Step 5: Solve for x
   x = 1,994,957,225.78/50,086.08
6. Step 6: Final answer
   x = 39,830.57