Finding the Fourth Proportional to 329,417, 494,081.82 and 92,778.28

Step by Step Solution

1. Step 1: Write the proportion equation
   329,417 : 494,081.82 = 92,778.28 : x
2. Step 2: Convert to fraction form
   329,417/494,081.82 = 92,778.28/x
3. Step 3: Cross multiply
   329,417x = 494,081.82 × 92,778.28
4. Step 4: Simplify right side
   329,417x = 45,840,061,438.87
5. Step 5: Solve for x
   x = 45,840,061,438.87/329,417
6. Step 6: Final answer
   x = 139,155.12