Finding the Fourth Proportional to 50,723.35, 76,091.94 and 21,134.25

Step by Step Solution

1. Step 1: Write the proportion equation
   50,723.35 : 76,091.94 = 21,134.25 : x
2. Step 2: Convert to fraction form
   50,723.35/76,091.94 = 21,134.25/x
3. Step 3: Cross multiply
   50,723.35x = 76,091.94 × 21,134.25
4. Step 4: Simplify right side
   50,723.35x = 1,608,146,082.95
5. Step 5: Solve for x
   x = 1,608,146,082.95/50,723.35
6. Step 6: Final answer
   x = 31,704.26