Finding the Fourth Proportional to 2,611.50, 3,603.43 and 1,726.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,611.50 : 3,603.43 = 1,726.83 : x
2. Step 2: Convert to fraction form
   2,611.50/3,603.43 = 1,726.83/x
3. Step 3: Cross multiply
   2,611.50x = 3,603.43 × 1,726.83
4. Step 4: Simplify right side
   2,611.50x = 6,222,506.71
5. Step 5: Solve for x
   x = 6,222,506.71/2,611.50
6. Step 6: Final answer
   x = 2,382.73