Finding the Fourth Proportional to 98,017.42, 135,447.92 and 80,105.89

Step by Step Solution

1. Step 1: Write the proportion equation
   98,017.42 : 135,447.92 = 80,105.89 : x
2. Step 2: Convert to fraction form
   98,017.42/135,447.92 = 80,105.89/x
3. Step 3: Cross multiply
   98,017.42x = 135,447.92 × 80,105.89
4. Step 4: Simplify right side
   98,017.42x = 10,850,176,180.25
5. Step 5: Solve for x
   x = 10,850,176,180.25/98,017.42
6. Step 6: Final answer
   x = 110,696.41