Finding the Fourth Proportional to 50,072.66, 69,099.09 and 28,863.86

Step by Step Solution

1. Step 1: Write the proportion equation
   50,072.66 : 69,099.09 = 28,863.86 : x
2. Step 2: Convert to fraction form
   50,072.66/69,099.09 = 28,863.86/x
3. Step 3: Cross multiply
   50,072.66x = 69,099.09 × 28,863.86
4. Step 4: Simplify right side
   50,072.66x = 1,994,466,459.89
5. Step 5: Solve for x
   x = 1,994,466,459.89/50,072.66
6. Step 6: Final answer
   x = 39,831.45