Finding the Fourth Proportional to 1,556.72, 2,147.79 and 967.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,556.72 : 2,147.79 = 967.46 : x
2. Step 2: Convert to fraction form
   1,556.72/2,147.79 = 967.46/x
3. Step 3: Cross multiply
   1,556.72x = 2,147.79 × 967.46
4. Step 4: Simplify right side
   1,556.72x = 2,077,900.91
5. Step 5: Solve for x
   x = 2,077,900.91/1,556.72
6. Step 6: Final answer
   x = 1,334.79