Finding the Fourth Proportional to 1,794.50, 2,475.78 and 1,131.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,794.50 : 2,475.78 = 1,131.12 : x
2. Step 2: Convert to fraction form
   1,794.50/2,475.78 = 1,131.12/x
3. Step 3: Cross multiply
   1,794.50x = 2,475.78 × 1,131.12
4. Step 4: Simplify right side
   1,794.50x = 2,800,404.27
5. Step 5: Solve for x
   x = 2,800,404.27/1,794.50
6. Step 6: Final answer
   x = 1,560.55