Finding the Fourth Proportional to 80,709.16, 111,348.55 and 50,483.00

Step by Step Solution

1. Step 1: Write the proportion equation
   80,709.16 : 111,348.55 = 50,483.00 : x
2. Step 2: Convert to fraction form
   80,709.16/111,348.55 = 50,483.00/x
3. Step 3: Cross multiply
   80,709.16x = 111,348.55 × 50,483.00
4. Step 4: Simplify right side
   80,709.16x = 5,621,208,551.81
5. Step 5: Solve for x
   x = 5,621,208,551.81/80,709.16
6. Step 6: Final answer
   x = 69,647.72