Finding the Fourth Proportional to 2,549.17, 3,516.64 and 1,616.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,549.17 : 3,516.64 = 1,616.05 : x
2. Step 2: Convert to fraction form
   2,549.17/3,516.64 = 1,616.05/x
3. Step 3: Cross multiply
   2,549.17x = 3,516.64 × 1,616.05
4. Step 4: Simplify right side
   2,549.17x = 5,683,066.07
5. Step 5: Solve for x
   x = 5,683,066.07/2,549.17
6. Step 6: Final answer
   x = 2,229.38