Finding the Fourth Proportional to 118,806.72, 163,953.27 and 65,093.78

Step by Step Solution

1. Step 1: Write the proportion equation
   118,806.72 : 163,953.27 = 65,093.78 : x
2. Step 2: Convert to fraction form
   118,806.72/163,953.27 = 65,093.78/x
3. Step 3: Cross multiply
   118,806.72x = 163,953.27 × 65,093.78
4. Step 4: Simplify right side
   118,806.72x = 10,672,338,087.66
5. Step 5: Solve for x
   x = 10,672,338,087.66/118,806.72
6. Step 6: Final answer
   x = 89,829.41