Finding the Fourth Proportional to 80,713, 111,353.86 and 50,486.84

Step by Step Solution

1. Step 1: Write the proportion equation
   80,713 : 111,353.86 = 50,486.84 : x
2. Step 2: Convert to fraction form
   80,713/111,353.86 = 50,486.84/x
3. Step 3: Cross multiply
   80,713x = 111,353.86 × 50,486.84
4. Step 4: Simplify right side
   80,713x = 5,621,904,513.20
5. Step 5: Solve for x
   x = 5,621,904,513.20/80,713
6. Step 6: Final answer
   x = 69,653.02