Finding the Fourth Proportional to 1,530.69, 2,112.20 and 867.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,530.69 : 2,112.20 = 867.41 : x
2. Step 2: Convert to fraction form
   1,530.69/2,112.20 = 867.41/x
3. Step 3: Cross multiply
   1,530.69x = 2,112.20 × 867.41
4. Step 4: Simplify right side
   1,530.69x = 1,832,143.40
5. Step 5: Solve for x
   x = 1,832,143.40/1,530.69
6. Step 6: Final answer
   x = 1,196.94