Finding the Fourth Proportional to 10,954.48, 16,433.20 and 3,556.54

Step by Step Solution

1. Step 1: Write the proportion equation
   10,954.48 : 16,433.20 = 3,556.54 : x
2. Step 2: Convert to fraction form
   10,954.48/16,433.20 = 3,556.54/x
3. Step 3: Cross multiply
   10,954.48x = 16,433.20 × 3,556.54
4. Step 4: Simplify right side
   10,954.48x = 58,445,333.13
5. Step 5: Solve for x
   x = 58,445,333.13/10,954.48
6. Step 6: Final answer
   x = 5,335.29