Finding the Fourth Proportional to 140,910.84, 194,456.16 and 77,249.16

Step by Step Solution

1. Step 1: Write the proportion equation
   140,910.84 : 194,456.16 = 77,249.16 : x
2. Step 2: Convert to fraction form
   140,910.84/194,456.16 = 77,249.16/x
3. Step 3: Cross multiply
   140,910.84x = 194,456.16 × 77,249.16
4. Step 4: Simplify right side
   140,910.84x = 15,021,575,016.83
5. Step 5: Solve for x
   x = 15,021,575,016.83/140,910.84
6. Step 6: Final answer
   x = 106,603.40