Finding the Fourth Proportional to 1,514.16, 2,272.86 and 693.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,514.16 : 2,272.86 = 693.09 : x
2. Step 2: Convert to fraction form
   1,514.16/2,272.86 = 693.09/x
3. Step 3: Cross multiply
   1,514.16x = 2,272.86 × 693.09
4. Step 4: Simplify right side
   1,514.16x = 1,575,296.54
5. Step 5: Solve for x
   x = 1,575,296.54/1,514.16
6. Step 6: Final answer
   x = 1,040.38