Finding the Fourth Proportional to 2,200.74, 3,302.28 and 1,616.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200.74 : 3,302.28 = 1,616.88 : x
2. Step 2: Convert to fraction form
   2,200.74/3,302.28 = 1,616.88/x
3. Step 3: Cross multiply
   2,200.74x = 3,302.28 × 1,616.88
4. Step 4: Simplify right side
   2,200.74x = 5,339,390.49
5. Step 5: Solve for x
   x = 5,339,390.49/2,200.74
6. Step 6: Final answer
   x = 2,426.18