Finding the Fourth Proportional to 2,470.78, 3,706.89 and 1,009.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,470.78 : 3,706.89 = 1,009.18 : x
2. Step 2: Convert to fraction form
   2,470.78/3,706.89 = 1,009.18/x
3. Step 3: Cross multiply
   2,470.78x = 3,706.89 × 1,009.18
4. Step 4: Simplify right side
   2,470.78x = 3,740,919.25
5. Step 5: Solve for x
   x = 3,740,919.25/2,470.78
6. Step 6: Final answer
   x = 1,514.06