Finding the Fourth Proportional to 5,333.79, 7,985.10 and 3,556.83

Step by Step Solution

1. Step 1: Write the proportion equation
   5,333.79 : 7,985.10 = 3,556.83 : x
2. Step 2: Convert to fraction form
   5,333.79/7,985.10 = 3,556.83/x
3. Step 3: Cross multiply
   5,333.79x = 7,985.10 × 3,556.83
4. Step 4: Simplify right side
   5,333.79x = 28,401,643.23
5. Step 5: Solve for x
   x = 28,401,643.23/5,333.79
6. Step 6: Final answer
   x = 5,324.85