Finding the Fourth Proportional to 116,183.43, 160,345.42 and 65,209.93

Step by Step Solution

1. Step 1: Write the proportion equation
   116,183.43 : 160,345.42 = 65,209.93 : x
2. Step 2: Convert to fraction form
   116,183.43/160,345.42 = 65,209.93/x
3. Step 3: Cross multiply
   116,183.43x = 160,345.42 × 65,209.93
4. Step 4: Simplify right side
   116,183.43x = 10,456,113,416.94
5. Step 5: Solve for x
   x = 10,456,113,416.94/116,183.43
6. Step 6: Final answer
   x = 89,996.60