Finding the Fourth Proportional to 2,114.52, 3,171.98 and 554.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,114.52 : 3,171.98 = 554.54 : x
2. Step 2: Convert to fraction form
   2,114.52/3,171.98 = 554.54/x
3. Step 3: Cross multiply
   2,114.52x = 3,171.98 × 554.54
4. Step 4: Simplify right side
   2,114.52x = 1,758,989.79
5. Step 5: Solve for x
   x = 1,758,989.79/2,114.52
6. Step 6: Final answer
   x = 831.86