Finding the Fourth Proportional to 2,272.83, 3,136.47 and 1,264.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,272.83 : 3,136.47 = 1,264.53 : x
2. Step 2: Convert to fraction form
   2,272.83/3,136.47 = 1,264.53/x
3. Step 3: Cross multiply
   2,272.83x = 3,136.47 × 1,264.53
4. Step 4: Simplify right side
   2,272.83x = 3,966,144.73
5. Step 5: Solve for x
   x = 3,966,144.73/2,272.83
6. Step 6: Final answer
   x = 1,745.03