Finding the Fourth Proportional to 1,514.51, 2,267.54 and 818.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,514.51 : 2,267.54 = 818.69 : x
2. Step 2: Convert to fraction form
   1,514.51/2,267.54 = 818.69/x
3. Step 3: Cross multiply
   1,514.51x = 2,267.54 × 818.69
4. Step 4: Simplify right side
   1,514.51x = 1,856,396.89
5. Step 5: Solve for x
   x = 1,856,396.89/1,514.51
6. Step 6: Final answer
   x = 1,225.74