Finding the Fourth Proportional to 2,012.32, 3,018.38 and 551.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012.32 : 3,018.38 = 551.48 : x
2. Step 2: Convert to fraction form
   2,012.32/3,018.38 = 551.48/x
3. Step 3: Cross multiply
   2,012.32x = 3,018.38 × 551.48
4. Step 4: Simplify right side
   2,012.32x = 1,664,558.35
5. Step 5: Solve for x
   x = 1,664,558.35/2,012.32
6. Step 6: Final answer
   x = 827.18