Finding the Fourth Proportional to 50,678.56, 69,936.52 and 28,322.56

Step by Step Solution

1. Step 1: Write the proportion equation
   50,678.56 : 69,936.52 = 28,322.56 : x
2. Step 2: Convert to fraction form
   50,678.56/69,936.52 = 28,322.56/x
3. Step 3: Cross multiply
   50,678.56x = 69,936.52 × 28,322.56
4. Step 4: Simplify right side
   50,678.56x = 1,980,781,283.89
5. Step 5: Solve for x
   x = 1,980,781,283.89/50,678.56
6. Step 6: Final answer
   x = 39,085.19