Finding the Fourth Proportional to 3,556.24, 5,333.72 and 958.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,556.24 : 5,333.72 = 958.56 : x
2. Step 2: Convert to fraction form
   3,556.24/5,333.72 = 958.56/x
3. Step 3: Cross multiply
   3,556.24x = 5,333.72 × 958.56
4. Step 4: Simplify right side
   3,556.24x = 5,112,690.64
5. Step 5: Solve for x
   x = 5,112,690.64/3,556.24
6. Step 6: Final answer
   x = 1,437.67