Finding the Fourth Proportional to 2,611.27, 3,604.23 and 1,615.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,611.27 : 3,604.23 = 1,615.98 : x
2. Step 2: Convert to fraction form
   2,611.27/3,604.23 = 1,615.98/x
3. Step 3: Cross multiply
   2,611.27x = 3,604.23 × 1,615.98
4. Step 4: Simplify right side
   2,611.27x = 5,824,372.61
5. Step 5: Solve for x
   x = 5,824,372.61/2,611.27
6. Step 6: Final answer
   x = 2,230.48