Finding the Fourth Proportional to 2,012.82, 3,018.88 and 551.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012.82 : 3,018.88 = 551.67 : x
2. Step 2: Convert to fraction form
   2,012.82/3,018.88 = 551.67/x
3. Step 3: Cross multiply
   2,012.82x = 3,018.88 × 551.67
4. Step 4: Simplify right side
   2,012.82x = 1,665,425.53
5. Step 5: Solve for x
   x = 1,665,425.53/2,012.82
6. Step 6: Final answer
   x = 827.41