Finding the Fourth Proportional to 80,769.86, 111,460.53 and 50,571.83

Step by Step Solution

1. Step 1: Write the proportion equation
   80,769.86 : 111,460.53 = 50,571.83 : x
2. Step 2: Convert to fraction form
   80,769.86/111,460.53 = 50,571.83/x
3. Step 3: Cross multiply
   80,769.86x = 111,460.53 × 50,571.83
4. Step 4: Simplify right side
   80,769.86x = 5,636,762,417.57
5. Step 5: Solve for x
   x = 5,636,762,417.57/80,769.86
6. Step 6: Final answer
   x = 69,787.95