Finding the Fourth Proportional to 118,957.82, 164,161.89 and 65,243.88

Step by Step Solution

1. Step 1: Write the proportion equation
   118,957.82 : 164,161.89 = 65,243.88 : x
2. Step 2: Convert to fraction form
   118,957.82/164,161.89 = 65,243.88/x
3. Step 3: Cross multiply
   118,957.82x = 164,161.89 × 65,243.88
4. Step 4: Simplify right side
   118,957.82x = 10,710,558,651.73
5. Step 5: Solve for x
   x = 10,710,558,651.73/118,957.82
6. Step 6: Final answer
   x = 90,036.61