Finding the Fourth Proportional to 118,901.39, 164,083.87 and 65,185.25

Step by Step Solution

1. Step 1: Write the proportion equation
   118,901.39 : 164,083.87 = 65,185.25 : x
2. Step 2: Convert to fraction form
   118,901.39/164,083.87 = 65,185.25/x
3. Step 3: Cross multiply
   118,901.39x = 164,083.87 × 65,185.25
4. Step 4: Simplify right side
   118,901.39x = 10,695,847,760.99
5. Step 5: Solve for x
   x = 10,695,847,760.99/118,901.39
6. Step 6: Final answer
   x = 89,955.62