Finding the Fourth Proportional to 2,136.89, 3,201.69 and 1,726.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,136.89 : 3,201.69 = 1,726.22 : x
2. Step 2: Convert to fraction form
   2,136.89/3,201.69 = 1,726.22/x
3. Step 3: Cross multiply
   2,136.89x = 3,201.69 × 1,726.22
4. Step 4: Simplify right side
   2,136.89x = 5,526,821.31
5. Step 5: Solve for x
   x = 5,526,821.31/2,136.89
6. Step 6: Final answer
   x = 2,586.39