Finding the Fourth Proportional to 116,280.35, 160,464.81 and 65,293.47

Step by Step Solution

1. Step 1: Write the proportion equation
   116,280.35 : 160,464.81 = 65,293.47 : x
2. Step 2: Convert to fraction form
   116,280.35/160,464.81 = 65,293.47/x
3. Step 3: Cross multiply
   116,280.35x = 160,464.81 × 65,293.47
4. Step 4: Simplify right side
   116,280.35x = 10,477,304,257.79
5. Step 5: Solve for x
   x = 10,477,304,257.79/116,280.35
6. Step 6: Final answer
   x = 90,103.83