Finding the Fourth Proportional to 1,514.74, 2,273.55 and 1,320.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,514.74 : 2,273.55 = 1,320.34 : x
2. Step 2: Convert to fraction form
   1,514.74/2,273.55 = 1,320.34/x
3. Step 3: Cross multiply
   1,514.74x = 2,273.55 × 1,320.34
4. Step 4: Simplify right side
   1,514.74x = 3,001,859.01
5. Step 5: Solve for x
   x = 3,001,859.01/1,514.74
6. Step 6: Final answer
   x = 1,981.77