Finding the Fourth Proportional to 118,902.09, 164,084.84 and 65,185.95

Step by Step Solution

1. Step 1: Write the proportion equation
   118,902.09 : 164,084.84 = 65,185.95 : x
2. Step 2: Convert to fraction form
   118,902.09/164,084.84 = 65,185.95/x
3. Step 3: Cross multiply
   118,902.09x = 164,084.84 × 65,185.95
4. Step 4: Simplify right side
   118,902.09x = 10,696,026,176.00
5. Step 5: Solve for x
   x = 10,696,026,176.00/118,902.09
6. Step 6: Final answer
   x = 89,956.59