Finding the Fourth Proportional to 2,111.52, 3,167.48 and 551.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.52 : 3,167.48 = 551.54 : x
2. Step 2: Convert to fraction form
   2,111.52/3,167.48 = 551.54/x
3. Step 3: Cross multiply
   2,111.52x = 3,167.48 × 551.54
4. Step 4: Simplify right side
   2,111.52x = 1,746,991.92
5. Step 5: Solve for x
   x = 1,746,991.92/2,111.52
6. Step 6: Final answer
   x = 827.36