Finding the Fourth Proportional to 118,920.24, 164,106.38 and 65,203.43

Step by Step Solution

1. Step 1: Write the proportion equation
   118,920.24 : 164,106.38 = 65,203.43 : x
2. Step 2: Convert to fraction form
   118,920.24/164,106.38 = 65,203.43/x
3. Step 3: Cross multiply
   118,920.24x = 164,106.38 × 65,203.43
4. Step 4: Simplify right side
   118,920.24x = 10,700,297,714.33
5. Step 5: Solve for x
   x = 10,700,297,714.33/118,920.24
6. Step 6: Final answer
   x = 89,978.78