Finding the Fourth Proportional to 2,009.69, 3,017.12 and 1,547.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,009.69 : 3,017.12 = 1,547.78 : x
2. Step 2: Convert to fraction form
   2,009.69/3,017.12 = 1,547.78/x
3. Step 3: Cross multiply
   2,009.69x = 3,017.12 × 1,547.78
4. Step 4: Simplify right side
   2,009.69x = 4,669,853.69
5. Step 5: Solve for x
   x = 4,669,853.69/2,009.69
6. Step 6: Final answer
   x = 2,323.67