Finding the Fourth Proportional to 10,854.05, 16,281.40 and 3,738.21

Step by Step Solution

1. Step 1: Write the proportion equation
   10,854.05 : 16,281.40 = 3,738.21 : x
2. Step 2: Convert to fraction form
   10,854.05/16,281.40 = 3,738.21/x
3. Step 3: Cross multiply
   10,854.05x = 16,281.40 × 3,738.21
4. Step 4: Simplify right side
   10,854.05x = 60,863,210.89
5. Step 5: Solve for x
   x = 60,863,210.89/10,854.05
6. Step 6: Final answer
   x = 5,607.42