Finding the Fourth Proportional to 2,668.32, 4,002.72 and 693.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,668.32 : 4,002.72 = 693.94 : x
2. Step 2: Convert to fraction form
   2,668.32/4,002.72 = 693.94/x
3. Step 3: Cross multiply
   2,668.32x = 4,002.72 × 693.94
4. Step 4: Simplify right side
   2,668.32x = 2,777,647.52
5. Step 5: Solve for x
   x = 2,777,647.52/2,668.32
6. Step 6: Final answer
   x = 1,040.97