Finding the Fourth Proportional to 116,451.15, 160,719.57 and 65,468.09

Step by Step Solution

1. Step 1: Write the proportion equation
   116,451.15 : 160,719.57 = 65,468.09 : x
2. Step 2: Convert to fraction form
   116,451.15/160,719.57 = 65,468.09/x
3. Step 3: Cross multiply
   116,451.15x = 160,719.57 × 65,468.09
4. Step 4: Simplify right side
   116,451.15x = 10,522,002,469.92
5. Step 5: Solve for x
   x = 10,522,002,469.92/116,451.15
6. Step 6: Final answer
   x = 90,355.51