Finding the Fourth Proportional to 2,522.78, 3,784.25 and 1,136.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,522.78 : 3,784.25 = 1,136.12 : x
2. Step 2: Convert to fraction form
   2,522.78/3,784.25 = 1,136.12/x
3. Step 3: Cross multiply
   2,522.78x = 3,784.25 × 1,136.12
4. Step 4: Simplify right side
   2,522.78x = 4,299,337.51
5. Step 5: Solve for x
   x = 4,299,337.51/2,522.78
6. Step 6: Final answer
   x = 1,704.21