Finding the Fourth Proportional to 118,801, 163,945.38 and 65,809

Step by Step Solution

1. Step 1: Write the proportion equation
   118,801 : 163,945.38 = 65,809 : x
2. Step 2: Convert to fraction form
   118,801/163,945.38 = 65,809/x
3. Step 3: Cross multiply
   118,801x = 163,945.38 × 65,809
4. Step 4: Simplify right side
   118,801x = 10,789,081,512.42
5. Step 5: Solve for x
   x = 10,789,081,512.42/118,801
6. Step 6: Final answer
   x = 90,816.42