Finding the Fourth Proportional to 118,945.14, 164,144.52 and 65,230.56

Step by Step Solution

1. Step 1: Write the proportion equation
   118,945.14 : 164,144.52 = 65,230.56 : x
2. Step 2: Convert to fraction form
   118,945.14/164,144.52 = 65,230.56/x
3. Step 3: Cross multiply
   118,945.14x = 164,144.52 × 65,230.56
4. Step 4: Simplify right side
   118,945.14x = 10,707,238,960.53
5. Step 5: Solve for x
   x = 10,707,238,960.53/118,945.14
6. Step 6: Final answer
   x = 90,018.30