Finding the Fourth Proportional to 118,852.36, 164,016.32 and 65,139.52

Step by Step Solution

1. Step 1: Write the proportion equation
   118,852.36 : 164,016.32 = 65,139.52 : x
2. Step 2: Convert to fraction form
   118,852.36/164,016.32 = 65,139.52/x
3. Step 3: Cross multiply
   118,852.36x = 164,016.32 × 65,139.52
4. Step 4: Simplify right side
   118,852.36x = 10,683,944,356.97
5. Step 5: Solve for x
   x = 10,683,944,356.97/118,852.36
6. Step 6: Final answer
   x = 89,892.57