Finding the Fourth Proportional to 50,013.75, 74,998.74 and 20,019.06

Step by Step Solution

1. Step 1: Write the proportion equation
   50,013.75 : 74,998.74 = 20,019.06 : x
2. Step 2: Convert to fraction form
   50,013.75/74,998.74 = 20,019.06/x
3. Step 3: Cross multiply
   50,013.75x = 74,998.74 × 20,019.06
4. Step 4: Simplify right side
   50,013.75x = 1,501,404,275.98
5. Step 5: Solve for x
   x = 1,501,404,275.98/50,013.75
6. Step 6: Final answer
   x = 30,019.83