Finding the Fourth Proportional to 196,658.69, 294,851.34 and 100,408.82

Step by Step Solution

1. Step 1: Write the proportion equation
   196,658.69 : 294,851.34 = 100,408.82 : x
2. Step 2: Convert to fraction form
   196,658.69/294,851.34 = 100,408.82/x
3. Step 3: Cross multiply
   196,658.69x = 294,851.34 × 100,408.82
4. Step 4: Simplify right side
   196,658.69x = 29,605,673,650.56
5. Step 5: Solve for x
   x = 29,605,673,650.56/196,658.69
6. Step 6: Final answer
   x = 150,543.43