Finding the Fourth Proportional to 50,686.72, 69,947.24 and 28,026.30

Step by Step Solution

1. Step 1: Write the proportion equation
   50,686.72 : 69,947.24 = 28,026.30 : x
2. Step 2: Convert to fraction form
   50,686.72/69,947.24 = 28,026.30/x
3. Step 3: Cross multiply
   50,686.72x = 69,947.24 × 28,026.30
4. Step 4: Simplify right side
   50,686.72x = 1,960,362,332.41
5. Step 5: Solve for x
   x = 1,960,362,332.41/50,686.72
6. Step 6: Final answer
   x = 38,676.05