Finding the Fourth Proportional to 118,667.26, 163,758 and 64,952.20

Step by Step Solution

1. Step 1: Write the proportion equation
   118,667.26 : 163,758 = 64,952.20 : x
2. Step 2: Convert to fraction form
   118,667.26/163,758 = 64,952.20/x
3. Step 3: Cross multiply
   118,667.26x = 163,758 × 64,952.20
4. Step 4: Simplify right side
   118,667.26x = 10,636,442,367.60
5. Step 5: Solve for x
   x = 10,636,442,367.60/118,667.26
6. Step 6: Final answer
   x = 89,632.49