Finding the Fourth Proportional to 51,401.54, 70,974.33 and 39,445.94

Step by Step Solution

1. Step 1: Write the proportion equation
   51,401.54 : 70,974.33 = 39,445.94 : x
2. Step 2: Convert to fraction form
   51,401.54/70,974.33 = 39,445.94/x
3. Step 3: Cross multiply
   51,401.54x = 70,974.33 × 39,445.94
4. Step 4: Simplify right side
   51,401.54x = 2,799,649,162.72
5. Step 5: Solve for x
   x = 2,799,649,162.72/51,401.54
6. Step 6: Final answer
   x = 54,466.25