Finding the Fourth Proportional to 118,922.36, 164,111.54 and 65,207.25

Step by Step Solution

1. Step 1: Write the proportion equation
   118,922.36 : 164,111.54 = 65,207.25 : x
2. Step 2: Convert to fraction form
   118,922.36/164,111.54 = 65,207.25/x
3. Step 3: Cross multiply
   118,922.36x = 164,111.54 × 65,207.25
4. Step 4: Simplify right side
   118,922.36x = 10,701,261,890.63
5. Step 5: Solve for x
   x = 10,701,261,890.63/118,922.36
6. Step 6: Final answer
   x = 89,985.28