Finding the Fourth Proportional to 116,206.22, 160,351.37 and 65,208.42

Step by Step Solution

1. Step 1: Write the proportion equation
   116,206.22 : 160,351.37 = 65,208.42 : x
2. Step 2: Convert to fraction form
   116,206.22/160,351.37 = 65,208.42/x
3. Step 3: Cross multiply
   116,206.22x = 160,351.37 × 65,208.42
4. Step 4: Simplify right side
   116,206.22x = 10,456,259,482.54
5. Step 5: Solve for x
   x = 10,456,259,482.54/116,206.22
6. Step 6: Final answer
   x = 89,980.20