Finding the Fourth Proportional to 1,514.91, 2,090.66 and 1,009.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,514.91 : 2,090.66 = 1,009.89 : x
2. Step 2: Convert to fraction form
   1,514.91/2,090.66 = 1,009.89/x
3. Step 3: Cross multiply
   1,514.91x = 2,090.66 × 1,009.89
4. Step 4: Simplify right side
   1,514.91x = 2,111,331.58
5. Step 5: Solve for x
   x = 2,111,331.58/1,514.91
6. Step 6: Final answer
   x = 1,393.70