Finding the Fourth Proportional to 2,012.01, 3,017.98 and 551.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012.01 : 3,017.98 = 551.16 : x
2. Step 2: Convert to fraction form
   2,012.01/3,017.98 = 551.16/x
3. Step 3: Cross multiply
   2,012.01x = 3,017.98 × 551.16
4. Step 4: Simplify right side
   2,012.01x = 1,663,389.86
5. Step 5: Solve for x
   x = 1,663,389.86/2,012.01
6. Step 6: Final answer
   x = 826.73