Finding the Fourth Proportional to 50,093.36, 69,113.16 and 28,869.72

Step by Step Solution

1. Step 1: Write the proportion equation
   50,093.36 : 69,113.16 = 28,869.72 : x
2. Step 2: Convert to fraction form
   50,093.36/69,113.16 = 28,869.72/x
3. Step 3: Cross multiply
   50,093.36x = 69,113.16 × 28,869.72
4. Step 4: Simplify right side
   50,093.36x = 1,995,277,577.52
5. Step 5: Solve for x
   x = 1,995,277,577.52/50,093.36
6. Step 6: Final answer
   x = 39,831.18