Finding the Fourth Proportional to 2,621.48, 3,616.72 and 1,677.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,621.48 : 3,616.72 = 1,677.42 : x
2. Step 2: Convert to fraction form
   2,621.48/3,616.72 = 1,677.42/x
3. Step 3: Cross multiply
   2,621.48x = 3,616.72 × 1,677.42
4. Step 4: Simplify right side
   2,621.48x = 6,066,754.27
5. Step 5: Solve for x
   x = 6,066,754.27/2,621.48
6. Step 6: Final answer
   x = 2,314.25