Finding the Fourth Proportional to 116,464.56, 160,717.37 and 65,479.45

Step by Step Solution

1. Step 1: Write the proportion equation
   116,464.56 : 160,717.37 = 65,479.45 : x
2. Step 2: Convert to fraction form
   116,464.56/160,717.37 = 65,479.45/x
3. Step 3: Cross multiply
   116,464.56x = 160,717.37 × 65,479.45
4. Step 4: Simplify right side
   116,464.56x = 10,523,684,263.86
5. Step 5: Solve for x
   x = 10,523,684,263.86/116,464.56
6. Step 6: Final answer
   x = 90,359.54