Finding the Fourth Proportional to 50,942.76, 76,401.18 and 19,761

Step by Step Solution

1. Step 1: Write the proportion equation
   50,942.76 : 76,401.18 = 19,761 : x
2. Step 2: Convert to fraction form
   50,942.76/76,401.18 = 19,761/x
3. Step 3: Cross multiply
   50,942.76x = 76,401.18 × 19,761
4. Step 4: Simplify right side
   50,942.76x = 1,509,763,717.98
5. Step 5: Solve for x
   x = 1,509,763,717.98/50,942.76
6. Step 6: Final answer
   x = 29,636.47