Finding the Fourth Proportional to 50,100.16, 69,137.04 and 28,878.16

Step by Step Solution

1. Step 1: Write the proportion equation
   50,100.16 : 69,137.04 = 28,878.16 : x
2. Step 2: Convert to fraction form
   50,100.16/69,137.04 = 28,878.16/x
3. Step 3: Cross multiply
   50,100.16x = 69,137.04 × 28,878.16
4. Step 4: Simplify right side
   50,100.16x = 1,996,550,503.05
5. Step 5: Solve for x
   x = 1,996,550,503.05/50,100.16
6. Step 6: Final answer
   x = 39,851.18