Finding the Fourth Proportional to 2,653.42, 3,979.58 and 1,009.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,653.42 : 3,979.58 = 1,009.39 : x
2. Step 2: Convert to fraction form
   2,653.42/3,979.58 = 1,009.39/x
3. Step 3: Cross multiply
   2,653.42x = 3,979.58 × 1,009.39
4. Step 4: Simplify right side
   2,653.42x = 4,016,948.26
5. Step 5: Solve for x
   x = 4,016,948.26/2,653.42
6. Step 6: Final answer
   x = 1,513.88