Finding the Fourth Proportional to 2,012.08, 3,017.82 and 551.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012.08 : 3,017.82 = 551.38 : x
2. Step 2: Convert to fraction form
   2,012.08/3,017.82 = 551.38/x
3. Step 3: Cross multiply
   2,012.08x = 3,017.82 × 551.38
4. Step 4: Simplify right side
   2,012.08x = 1,663,965.59
5. Step 5: Solve for x
   x = 1,663,965.59/2,012.08
6. Step 6: Final answer
   x = 826.99