Finding the Fourth Proportional to 140,648.06, 194,055.94 and 80,196.66

Step by Step Solution

1. Step 1: Write the proportion equation
   140,648.06 : 194,055.94 = 80,196.66 : x
2. Step 2: Convert to fraction form
   140,648.06/194,055.94 = 80,196.66/x
3. Step 3: Cross multiply
   140,648.06x = 194,055.94 × 80,196.66
4. Step 4: Simplify right side
   140,648.06x = 15,562,638,241.16
5. Step 5: Solve for x
   x = 15,562,638,241.16/140,648.06
6. Step 6: Final answer
   x = 110,649.51