Finding the Fourth Proportional to 329,629.38, 494,456.22 and 92,978.37

Step by Step Solution

1. Step 1: Write the proportion equation
   329,629.38 : 494,456.22 = 92,978.37 : x
2. Step 2: Convert to fraction form
   329,629.38/494,456.22 = 92,978.37/x
3. Step 3: Cross multiply
   329,629.38x = 494,456.22 × 92,978.37
4. Step 4: Simplify right side
   329,629.38x = 45,973,733,371.96
5. Step 5: Solve for x
   x = 45,973,733,371.96/329,629.38
6. Step 6: Final answer
   x = 139,470.98