Finding the Fourth Proportional to 118,949.34, 164,152.32 and 65,231.14

Step by Step Solution

1. Step 1: Write the proportion equation
   118,949.34 : 164,152.32 = 65,231.14 : x
2. Step 2: Convert to fraction form
   118,949.34/164,152.32 = 65,231.14/x
3. Step 3: Cross multiply
   118,949.34x = 164,152.32 × 65,231.14
4. Step 4: Simplify right side
   118,949.34x = 10,707,842,967.24
5. Step 5: Solve for x
   x = 10,707,842,967.24/118,949.34
6. Step 6: Final answer
   x = 90,020.20