Finding the Fourth Proportional to 3,612.58, 4,985.10 and 2,040.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,612.58 : 4,985.10 = 2,040.37 : x
2. Step 2: Convert to fraction form
   3,612.58/4,985.10 = 2,040.37/x
3. Step 3: Cross multiply
   3,612.58x = 4,985.10 × 2,040.37
4. Step 4: Simplify right side
   3,612.58x = 10,171,436.02
5. Step 5: Solve for x
   x = 10,171,436.02/3,612.58
6. Step 6: Final answer
   x = 2,815.56