Finding the Fourth Proportional to 1,514.69, 2,271.32 and 540.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,514.69 : 2,271.32 = 540.56 : x
2. Step 2: Convert to fraction form
   1,514.69/2,271.32 = 540.56/x
3. Step 3: Cross multiply
   1,514.69x = 2,271.32 × 540.56
4. Step 4: Simplify right side
   1,514.69x = 1,227,784.74
5. Step 5: Solve for x
   x = 1,227,784.74/1,514.69
6. Step 6: Final answer
   x = 810.58