Finding the Fourth Proportional to 3,644.78, 5,029.81 and 2,051.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,644.78 : 5,029.81 = 2,051.37 : x
2. Step 2: Convert to fraction form
   3,644.78/5,029.81 = 2,051.37/x
3. Step 3: Cross multiply
   3,644.78x = 5,029.81 × 2,051.37
4. Step 4: Simplify right side
   3,644.78x = 10,317,996.21
5. Step 5: Solve for x
   x = 10,317,996.21/3,644.78
6. Step 6: Final answer
   x = 2,830.90