Finding the Fourth Proportional to 80,947, 111,777.34 and 50,784.16

Step by Step Solution

1. Step 1: Write the proportion equation
   80,947 : 111,777.34 = 50,784.16 : x
2. Step 2: Convert to fraction form
   80,947/111,777.34 = 50,784.16/x
3. Step 3: Cross multiply
   80,947x = 111,777.34 × 50,784.16
4. Step 4: Simplify right side
   80,947x = 5,676,518,318.93
5. Step 5: Solve for x
   x = 5,676,518,318.93/80,947
6. Step 6: Final answer
   x = 70,126.36