Finding the Fourth Proportional to 50,930.15, 76,399.31 and 19,355.34

Step by Step Solution

1. Step 1: Write the proportion equation
   50,930.15 : 76,399.31 = 19,355.34 : x
2. Step 2: Convert to fraction form
   50,930.15/76,399.31 = 19,355.34/x
3. Step 3: Cross multiply
   50,930.15x = 76,399.31 × 19,355.34
4. Step 4: Simplify right side
   50,930.15x = 1,478,734,471.52
5. Step 5: Solve for x
   x = 1,478,734,471.52/50,930.15
6. Step 6: Final answer
   x = 29,034.56