Finding the Fourth Proportional to 80,926.38, 121,353.17 and 30,971.54

Step by Step Solution

1. Step 1: Write the proportion equation
   80,926.38 : 121,353.17 = 30,971.54 : x
2. Step 2: Convert to fraction form
   80,926.38/121,353.17 = 30,971.54/x
3. Step 3: Cross multiply
   80,926.38x = 121,353.17 × 30,971.54
4. Step 4: Simplify right side
   80,926.38x = 3,758,494,707.31
5. Step 5: Solve for x
   x = 3,758,494,707.31/80,926.38
6. Step 6: Final answer
   x = 46,443.38