Finding the Fourth Proportional to 1,975.89, 2,726.81 and 1,136.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,975.89 : 2,726.81 = 1,136.60 : x
2. Step 2: Convert to fraction form
   1,975.89/2,726.81 = 1,136.60/x
3. Step 3: Cross multiply
   1,975.89x = 2,726.81 × 1,136.60
4. Step 4: Simplify right side
   1,975.89x = 3,099,288.27
5. Step 5: Solve for x
   x = 3,099,288.27/1,975.89
6. Step 6: Final answer
   x = 1,568.55