Finding the Fourth Proportional to 118,694.22, 163,801.89 and 64,979.22

Step by Step Solution

1. Step 1: Write the proportion equation
   118,694.22 : 163,801.89 = 64,979.22 : x
2. Step 2: Convert to fraction form
   118,694.22/163,801.89 = 64,979.22/x
3. Step 3: Cross multiply
   118,694.22x = 163,801.89 × 64,979.22
4. Step 4: Simplify right side
   118,694.22x = 10,643,719,046.73
5. Step 5: Solve for x
   x = 10,643,719,046.73/118,694.22
6. Step 6: Final answer
   x = 89,673.44