Finding the Fourth Proportional to 116,632.48, 160,946.22 and 65,647.39

Step by Step Solution

1. Step 1: Write the proportion equation
   116,632.48 : 160,946.22 = 65,647.39 : x
2. Step 2: Convert to fraction form
   116,632.48/160,946.22 = 65,647.39/x
3. Step 3: Cross multiply
   116,632.48x = 160,946.22 × 65,647.39
4. Step 4: Simplify right side
   116,632.48x = 10,565,699,273.37
5. Step 5: Solve for x
   x = 10,565,699,273.37/116,632.48
6. Step 6: Final answer
   x = 90,589.68