Finding the Fourth Proportional to 140,499.06, 193,893.75 and 80,078.82

Step by Step Solution

1. Step 1: Write the proportion equation
   140,499.06 : 193,893.75 = 80,078.82 : x
2. Step 2: Convert to fraction form
   140,499.06/193,893.75 = 80,078.82/x
3. Step 3: Cross multiply
   140,499.06x = 193,893.75 × 80,078.82
4. Step 4: Simplify right side
   140,499.06x = 15,526,782,705.38
5. Step 5: Solve for x
   x = 15,526,782,705.38/140,499.06
6. Step 6: Final answer
   x = 110,511.65