Finding the Fourth Proportional to 2,621.52, 3,617.56 and 2,412.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,621.52 : 3,617.56 = 2,412.56 : x
2. Step 2: Convert to fraction form
   2,621.52/3,617.56 = 2,412.56/x
3. Step 3: Cross multiply
   2,621.52x = 3,617.56 × 2,412.56
4. Step 4: Simplify right side
   2,621.52x = 8,727,580.55
5. Step 5: Solve for x
   x = 8,727,580.55/2,621.52
6. Step 6: Final answer
   x = 3,329.21