Finding the Fourth Proportional to 1,196.12, 1,795.08 and 580.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.12 : 1,795.08 = 580.18 : x
2. Step 2: Convert to fraction form
   1,196.12/1,795.08 = 580.18/x
3. Step 3: Cross multiply
   1,196.12x = 1,795.08 × 580.18
4. Step 4: Simplify right side
   1,196.12x = 1,041,469.51
5. Step 5: Solve for x
   x = 1,041,469.51/1,196.12
6. Step 6: Final answer
   x = 870.71