Finding the Fourth Proportional to 1,196.57, 1,795.39 and 611.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.57 : 1,795.39 = 611.27 : x
2. Step 2: Convert to fraction form
   1,196.57/1,795.39 = 611.27/x
3. Step 3: Cross multiply
   1,196.57x = 1,795.39 × 611.27
4. Step 4: Simplify right side
   1,196.57x = 1,097,468.05
5. Step 5: Solve for x
   x = 1,097,468.05/1,196.57
6. Step 6: Final answer
   x = 917.18