Finding the Fourth Proportional to 116,464.47, 160,717.24 and 65,479.35

Step by Step Solution

1. Step 1: Write the proportion equation
   116,464.47 : 160,717.24 = 65,479.35 : x
2. Step 2: Convert to fraction form
   116,464.47/160,717.24 = 65,479.35/x
3. Step 3: Cross multiply
   116,464.47x = 160,717.24 × 65,479.35
4. Step 4: Simplify right side
   116,464.47x = 10,523,660,081.60
5. Step 5: Solve for x
   x = 10,523,660,081.60/116,464.47
6. Step 6: Final answer
   x = 90,359.41