Finding the Fourth Proportional to 50,874.72, 76,290.96 and 19,692

Step by Step Solution

1. Step 1: Write the proportion equation
   50,874.72 : 76,290.96 = 19,692 : x
2. Step 2: Convert to fraction form
   50,874.72/76,290.96 = 19,692/x
3. Step 3: Cross multiply
   50,874.72x = 76,290.96 × 19,692
4. Step 4: Simplify right side
   50,874.72x = 1,502,321,584.32
5. Step 5: Solve for x
   x = 1,502,321,584.32/50,874.72
6. Step 6: Final answer
   x = 29,529.83