Finding the Fourth Proportional to 1,010.13, 1,514.71 and 360.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,010.13 : 1,514.71 = 360.71 : x
2. Step 2: Convert to fraction form
   1,010.13/1,514.71 = 360.71/x
3. Step 3: Cross multiply
   1,010.13x = 1,514.71 × 360.71
4. Step 4: Simplify right side
   1,010.13x = 546,371.04
5. Step 5: Solve for x
   x = 546,371.04/1,010.13
6. Step 6: Final answer
   x = 540.89