Finding the Fourth Proportional to 118,609.95, 163,674.77 and 64,884.27

Step by Step Solution

1. Step 1: Write the proportion equation
   118,609.95 : 163,674.77 = 64,884.27 : x
2. Step 2: Convert to fraction form
   118,609.95/163,674.77 = 64,884.27/x
3. Step 3: Cross multiply
   118,609.95x = 163,674.77 × 64,884.27
4. Step 4: Simplify right side
   118,609.95x = 10,619,917,644.45
5. Step 5: Solve for x
   x = 10,619,917,644.45/118,609.95
6. Step 6: Final answer
   x = 89,536.48