Finding the Fourth Proportional to 118,902.97, 164,081.74 and 65,186.81

Step by Step Solution

1. Step 1: Write the proportion equation
   118,902.97 : 164,081.74 = 65,186.81 : x
2. Step 2: Convert to fraction form
   118,902.97/164,081.74 = 65,186.81/x
3. Step 3: Cross multiply
   118,902.97x = 164,081.74 × 65,186.81
4. Step 4: Simplify right side
   118,902.97x = 10,695,964,063.51
5. Step 5: Solve for x
   x = 10,695,964,063.51/118,902.97
6. Step 6: Final answer
   x = 89,955.40