Finding the Fourth Proportional to 116,612.03, 160,932.78 and 65,629.67

Step by Step Solution

1. Step 1: Write the proportion equation
   116,612.03 : 160,932.78 = 65,629.67 : x
2. Step 2: Convert to fraction form
   116,612.03/160,932.78 = 65,629.67/x
3. Step 3: Cross multiply
   116,612.03x = 160,932.78 × 65,629.67
4. Step 4: Simplify right side
   116,612.03x = 10,561,965,243.58
5. Step 5: Solve for x
   x = 10,561,965,243.58/116,612.03
6. Step 6: Final answer
   x = 90,573.55