Finding the Fourth Proportional to 1,726.47, 2,380.73 and 1,136.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,726.47 : 2,380.73 = 1,136.25 : x
2. Step 2: Convert to fraction form
   1,726.47/2,380.73 = 1,136.25/x
3. Step 3: Cross multiply
   1,726.47x = 2,380.73 × 1,136.25
4. Step 4: Simplify right side
   1,726.47x = 2,705,098.78
5. Step 5: Solve for x
   x = 2,705,098.78/1,726.47
6. Step 6: Final answer
   x = 1,566.84