Finding the Fourth Proportional to 1,514.59, 2,271.18 and 890.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,514.59 : 2,271.18 = 890.18 : x
2. Step 2: Convert to fraction form
   1,514.59/2,271.18 = 890.18/x
3. Step 3: Cross multiply
   1,514.59x = 2,271.18 × 890.18
4. Step 4: Simplify right side
   1,514.59x = 2,021,759.01
5. Step 5: Solve for x
   x = 2,021,759.01/1,514.59
6. Step 6: Final answer
   x = 1,334.86