Finding the Fourth Proportional to 3,636.60, 5,018.50 and 2,043.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,636.60 : 5,018.50 = 2,043.30 : x
2. Step 2: Convert to fraction form
   3,636.60/5,018.50 = 2,043.30/x
3. Step 3: Cross multiply
   3,636.60x = 5,018.50 × 2,043.30
4. Step 4: Simplify right side
   3,636.60x = 10,254,287.34
5. Step 5: Solve for x
   x = 10,254,287.34/3,636.60
6. Step 6: Final answer
   x = 2,819.74