Finding the Fourth Proportional to 2,015.34, 3,022.76 and 554.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,015.34 : 3,022.76 = 554.61 : x
2. Step 2: Convert to fraction form
   2,015.34/3,022.76 = 554.61/x
3. Step 3: Cross multiply
   2,015.34x = 3,022.76 × 554.61
4. Step 4: Simplify right side
   2,015.34x = 1,676,452.92
5. Step 5: Solve for x
   x = 1,676,452.92/2,015.34
6. Step 6: Final answer
   x = 831.85