Finding the Fourth Proportional to 1,514.88, 2,090.41 and 842.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,514.88 : 2,090.41 = 842.61 : x
2. Step 2: Convert to fraction form
   1,514.88/2,090.41 = 842.61/x
3. Step 3: Cross multiply
   1,514.88x = 2,090.41 × 842.61
4. Step 4: Simplify right side
   1,514.88x = 1,761,400.37
5. Step 5: Solve for x
   x = 1,761,400.37/1,514.88
6. Step 6: Final answer
   x = 1,162.73