Finding the Fourth Proportional to 1,514.76, 2,270.18 and 681.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,514.76 : 2,270.18 = 681.22 : x
2. Step 2: Convert to fraction form
   1,514.76/2,270.18 = 681.22/x
3. Step 3: Cross multiply
   1,514.76x = 2,270.18 × 681.22
4. Step 4: Simplify right side
   1,514.76x = 1,546,492.02
5. Step 5: Solve for x
   x = 1,546,492.02/1,514.76
6. Step 6: Final answer
   x = 1,020.95