Finding the Fourth Proportional to 2,680.09, 4,019.76 and 1,036.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,680.09 : 4,019.76 = 1,036.46 : x
2. Step 2: Convert to fraction form
   2,680.09/4,019.76 = 1,036.46/x
3. Step 3: Cross multiply
   2,680.09x = 4,019.76 × 1,036.46
4. Step 4: Simplify right side
   2,680.09x = 4,166,330.50
5. Step 5: Solve for x
   x = 4,166,330.50/2,680.09
6. Step 6: Final answer
   x = 1,554.55