Finding the Fourth Proportional to 117,418.15, 162,036.15 and 65,735.29

Step by Step Solution

1. Step 1: Write the proportion equation
   117,418.15 : 162,036.15 = 65,735.29 : x
2. Step 2: Convert to fraction form
   117,418.15/162,036.15 = 65,735.29/x
3. Step 3: Cross multiply
   117,418.15x = 162,036.15 × 65,735.29
4. Step 4: Simplify right side
   117,418.15x = 10,651,493,310.73
5. Step 5: Solve for x
   x = 10,651,493,310.73/117,418.15
6. Step 6: Final answer
   x = 90,714.20