Finding the Fourth Proportional to 3,613.56, 4,983.98 and 2,622.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,613.56 : 4,983.98 = 2,622.12 : x
2. Step 2: Convert to fraction form
   3,613.56/4,983.98 = 2,622.12/x
3. Step 3: Cross multiply
   3,613.56x = 4,983.98 × 2,622.12
4. Step 4: Simplify right side
   3,613.56x = 13,068,580.53
5. Step 5: Solve for x
   x = 13,068,580.53/3,613.56
6. Step 6: Final answer
   x = 3,616.54