Finding the Fourth Proportional to 2,616.42, 3,611.61 and 1,732.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,616.42 : 3,611.61 = 1,732.51 : x
2. Step 2: Convert to fraction form
   2,616.42/3,611.61 = 1,732.51/x
3. Step 3: Cross multiply
   2,616.42x = 3,611.61 × 1,732.51
4. Step 4: Simplify right side
   2,616.42x = 6,257,144.80
5. Step 5: Solve for x
   x = 6,257,144.80/2,616.42
6. Step 6: Final answer
   x = 2,391.49