Finding the Fourth Proportional to 2,652.93, 3,979.31 and 1,009.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,652.93 : 3,979.31 = 1,009.42 : x
2. Step 2: Convert to fraction form
   2,652.93/3,979.31 = 1,009.42/x
3. Step 3: Cross multiply
   2,652.93x = 3,979.31 × 1,009.42
4. Step 4: Simplify right side
   2,652.93x = 4,016,780.10
5. Step 5: Solve for x
   x = 4,016,780.10/2,652.93
6. Step 6: Final answer
   x = 1,514.09