Finding the Fourth Proportional to 1,704.69, 2,556.89 and 472.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,704.69 : 2,556.89 = 472.12 : x
2. Step 2: Convert to fraction form
   1,704.69/2,556.89 = 472.12/x
3. Step 3: Cross multiply
   1,704.69x = 2,556.89 × 472.12
4. Step 4: Simplify right side
   1,704.69x = 1,207,153.69
5. Step 5: Solve for x
   x = 1,207,153.69/1,704.69
6. Step 6: Final answer
   x = 708.14