Finding the Fourth Proportional to 50,757.98, 76,124.63 and 21,176.06

Step by Step Solution

1. Step 1: Write the proportion equation
   50,757.98 : 76,124.63 = 21,176.06 : x
2. Step 2: Convert to fraction form
   50,757.98/76,124.63 = 21,176.06/x
3. Step 3: Cross multiply
   50,757.98x = 76,124.63 × 21,176.06
4. Step 4: Simplify right side
   50,757.98x = 1,612,019,404.67
5. Step 5: Solve for x
   x = 1,612,019,404.67/50,757.98
6. Step 6: Final answer
   x = 31,758.94