Finding the Fourth Proportional to 1,530.33, 2,111.33 and 867.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,530.33 : 2,111.33 = 867.04 : x
2. Step 2: Convert to fraction form
   1,530.33/2,111.33 = 867.04/x
3. Step 3: Cross multiply
   1,530.33x = 2,111.33 × 867.04
4. Step 4: Simplify right side
   1,530.33x = 1,830,604.45
5. Step 5: Solve for x
   x = 1,830,604.45/1,530.33
6. Step 6: Final answer
   x = 1,196.22