Finding the Fourth Proportional to 55,815.92, 83,362.61 and 50,540.39

Step by Step Solution

1. Step 1: Write the proportion equation
   55,815.92 : 83,362.61 = 50,540.39 : x
2. Step 2: Convert to fraction form
   55,815.92/83,362.61 = 50,540.39/x
3. Step 3: Cross multiply
   55,815.92x = 83,362.61 × 50,540.39
4. Step 4: Simplify right side
   55,815.92x = 4,213,178,776.52
5. Step 5: Solve for x
   x = 4,213,178,776.52/55,815.92
6. Step 6: Final answer
   x = 75,483.46