Finding the Fourth Proportional to 118,793.03, 163,938.46 and 65,078.03

Step by Step Solution

1. Step 1: Write the proportion equation
   118,793.03 : 163,938.46 = 65,078.03 : x
2. Step 2: Convert to fraction form
   118,793.03/163,938.46 = 65,078.03/x
3. Step 3: Cross multiply
   118,793.03x = 163,938.46 × 65,078.03
4. Step 4: Simplify right side
   118,793.03x = 10,668,792,018.03
5. Step 5: Solve for x
   x = 10,668,792,018.03/118,793.03
6. Step 6: Final answer
   x = 89,809.92