Finding the Fourth Proportional to 50,448, 69,632.52 and 30,311.28

Step by Step Solution

1. Step 1: Write the proportion equation
   50,448 : 69,632.52 = 30,311.28 : x
2. Step 2: Convert to fraction form
   50,448/69,632.52 = 30,311.28/x
3. Step 3: Cross multiply
   50,448x = 69,632.52 × 30,311.28
4. Step 4: Simplify right side
   50,448x = 2,110,650,810.83
5. Step 5: Solve for x
   x = 2,110,650,810.83/50,448
6. Step 6: Final answer
   x = 41,838.15