Finding the Fourth Proportional to 65,959.22, 91,035.42 and 50,016.80

Step by Step Solution

1. Step 1: Write the proportion equation
   65,959.22 : 91,035.42 = 50,016.80 : x
2. Step 2: Convert to fraction form
   65,959.22/91,035.42 = 50,016.80/x
3. Step 3: Cross multiply
   65,959.22x = 91,035.42 × 50,016.80
4. Step 4: Simplify right side
   65,959.22x = 4,553,300,395.06
5. Step 5: Solve for x
   x = 4,553,300,395.06/65,959.22
6. Step 6: Final answer
   x = 69,032.05