Finding the Fourth Proportional to 2,612.27, 3,605.61 and 1,616.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,612.27 : 3,605.61 = 1,616.98 : x
2. Step 2: Convert to fraction form
   2,612.27/3,605.61 = 1,616.98/x
3. Step 3: Cross multiply
   2,612.27x = 3,605.61 × 1,616.98
4. Step 4: Simplify right side
   2,612.27x = 5,830,199.26
5. Step 5: Solve for x
   x = 5,830,199.26/2,612.27
6. Step 6: Final answer
   x = 2,231.85