Finding the Fourth Proportional to 50,212.12, 69,271.98 and 28,976.32

Step by Step Solution

1. Step 1: Write the proportion equation
   50,212.12 : 69,271.98 = 28,976.32 : x
2. Step 2: Convert to fraction form
   50,212.12/69,271.98 = 28,976.32/x
3. Step 3: Cross multiply
   50,212.12x = 69,271.98 × 28,976.32
4. Step 4: Simplify right side
   50,212.12x = 2,007,247,059.51
5. Step 5: Solve for x
   x = 2,007,247,059.51/50,212.12
6. Step 6: Final answer
   x = 39,975.35