Finding the Fourth Proportional to 1,933.72, 2,667.64 and 1,136.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,933.72 : 2,667.64 = 1,136.78 : x
2. Step 2: Convert to fraction form
   1,933.72/2,667.64 = 1,136.78/x
3. Step 3: Cross multiply
   1,933.72x = 2,667.64 × 1,136.78
4. Step 4: Simplify right side
   1,933.72x = 3,032,519.80
5. Step 5: Solve for x
   x = 3,032,519.80/1,933.72
6. Step 6: Final answer
   x = 1,568.23