Finding the Fourth Proportional to 1,923.08, 2,653.72 and 1,136.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,923.08 : 2,653.72 = 1,136.96 : x
2. Step 2: Convert to fraction form
   1,923.08/2,653.72 = 1,136.96/x
3. Step 3: Cross multiply
   1,923.08x = 2,653.72 × 1,136.96
4. Step 4: Simplify right side
   1,923.08x = 3,017,173.49
5. Step 5: Solve for x
   x = 3,017,173.49/1,923.08
6. Step 6: Final answer
   x = 1,568.93