Finding the Fourth Proportional to 118,865.69, 164,033.67 and 65,150.58

Step by Step Solution

1. Step 1: Write the proportion equation
   118,865.69 : 164,033.67 = 65,150.58 : x
2. Step 2: Convert to fraction form
   118,865.69/164,033.67 = 65,150.58/x
3. Step 3: Cross multiply
   118,865.69x = 164,033.67 × 65,150.58
4. Step 4: Simplify right side
   118,865.69x = 10,686,888,740.03
5. Step 5: Solve for x
   x = 10,686,888,740.03/118,865.69
6. Step 6: Final answer
   x = 89,907.27