Finding the Fourth Proportional to 118,850.29, 164,009.69 and 65,134.33

Step by Step Solution

1. Step 1: Write the proportion equation
   118,850.29 : 164,009.69 = 65,134.33 : x
2. Step 2: Convert to fraction form
   118,850.29/164,009.69 = 65,134.33/x
3. Step 3: Cross multiply
   118,850.29x = 164,009.69 × 65,134.33
4. Step 4: Simplify right side
   118,850.29x = 10,682,661,271.66
5. Step 5: Solve for x
   x = 10,682,661,271.66/118,850.29
6. Step 6: Final answer
   x = 89,883.34