Finding the Fourth Proportional to 50,747.82, 76,119.90 and 13,307.59

Step by Step Solution

1. Step 1: Write the proportion equation
   50,747.82 : 76,119.90 = 13,307.59 : x
2. Step 2: Convert to fraction form
   50,747.82/76,119.90 = 13,307.59/x
3. Step 3: Cross multiply
   50,747.82x = 76,119.90 × 13,307.59
4. Step 4: Simplify right side
   50,747.82x = 1,012,972,420.04
5. Step 5: Solve for x
   x = 1,012,972,420.04/50,747.82
6. Step 6: Final answer
   x = 19,960.91