Finding the Fourth Proportional to 111,568.60, 167,007.30 and 64,682.20

Step by Step Solution

1. Step 1: Write the proportion equation
   111,568.60 : 167,007.30 = 64,682.20 : x
2. Step 2: Convert to fraction form
   111,568.60/167,007.30 = 64,682.20/x
3. Step 3: Cross multiply
   111,568.60x = 167,007.30 × 64,682.20
4. Step 4: Simplify right side
   111,568.60x = 10,802,399,580.06
5. Step 5: Solve for x
   x = 10,802,399,580.06/111,568.60
6. Step 6: Final answer
   x = 96,822.94