Finding the Fourth Proportional to 1,514.55, 2,271.15 and 693.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,514.55 : 2,271.15 = 693.09 : x
2. Step 2: Convert to fraction form
   1,514.55/2,271.15 = 693.09/x
3. Step 3: Cross multiply
   1,514.55x = 2,271.15 × 693.09
4. Step 4: Simplify right side
   1,514.55x = 1,574,111.35
5. Step 5: Solve for x
   x = 1,574,111.35/1,514.55
6. Step 6: Final answer
   x = 1,039.33