Finding the Fourth Proportional to 98,016.42, 135,446.54 and 80,104.89

Step by Step Solution

1. Step 1: Write the proportion equation
   98,016.42 : 135,446.54 = 80,104.89 : x
2. Step 2: Convert to fraction form
   98,016.42/135,446.54 = 80,104.89/x
3. Step 3: Cross multiply
   98,016.42x = 135,446.54 × 80,104.89
4. Step 4: Simplify right side
   98,016.42x = 10,849,929,787.06
5. Step 5: Solve for x
   x = 10,849,929,787.06/98,016.42
6. Step 6: Final answer
   x = 110,695.02