Finding the Fourth Proportional to 3,590.30, 4,954.61 and 2,018.39

Step by Step Solution

1. Step 1: Write the proportion equation
   3,590.30 : 4,954.61 = 2,018.39 : x
2. Step 2: Convert to fraction form
   3,590.30/4,954.61 = 2,018.39/x
3. Step 3: Cross multiply
   3,590.30x = 4,954.61 × 2,018.39
4. Step 4: Simplify right side
   3,590.30x = 10,000,315.55
5. Step 5: Solve for x
   x = 10,000,315.55/3,590.30
6. Step 6: Final answer
   x = 2,785.37