Finding the Fourth Proportional to 50,697.72, 69,961.59 and 28,037.97

Step by Step Solution

1. Step 1: Write the proportion equation
   50,697.72 : 69,961.59 = 28,037.97 : x
2. Step 2: Convert to fraction form
   50,697.72/69,961.59 = 28,037.97/x
3. Step 3: Cross multiply
   50,697.72x = 69,961.59 × 28,037.97
4. Step 4: Simplify right side
   50,697.72x = 1,961,580,961.57
5. Step 5: Solve for x
   x = 1,961,580,961.57/50,697.72
6. Step 6: Final answer
   x = 38,691.70