Finding the Fourth Proportional to 118,780.92, 163,917.69 and 65,067.84

Step by Step Solution

1. Step 1: Write the proportion equation
   118,780.92 : 163,917.69 = 65,067.84 : x
2. Step 2: Convert to fraction form
   118,780.92/163,917.69 = 65,067.84/x
3. Step 3: Cross multiply
   118,780.92x = 163,917.69 × 65,067.84
4. Step 4: Simplify right side
   118,780.92x = 10,665,770,026.09
5. Step 5: Solve for x
   x = 10,665,770,026.09/118,780.92
6. Step 6: Final answer
   x = 89,793.63