Finding the Fourth Proportional to 118,972.26, 164,211.57 and 80,796.42

Step by Step Solution

1. Step 1: Write the proportion equation
   118,972.26 : 164,211.57 = 80,796.42 : x
2. Step 2: Convert to fraction form
   118,972.26/164,211.57 = 80,796.42/x
3. Step 3: Cross multiply
   118,972.26x = 164,211.57 × 80,796.42
4. Step 4: Simplify right side
   118,972.26x = 13,267,706,978.58
5. Step 5: Solve for x
   x = 13,267,706,978.58/118,972.26
6. Step 6: Final answer
   x = 111,519.33