Finding the Fourth Proportional to 1,922.82, 2,653.40 and 1,136.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,922.82 : 2,653.40 = 1,136.72 : x
2. Step 2: Convert to fraction form
   1,922.82/2,653.40 = 1,136.72/x
3. Step 3: Cross multiply
   1,922.82x = 2,653.40 × 1,136.72
4. Step 4: Simplify right side
   1,922.82x = 3,016,153.90
5. Step 5: Solve for x
   x = 3,016,153.90/1,922.82
6. Step 6: Final answer
   x = 1,568.61