Finding the Fourth Proportional to 1,530.48, 2,112.42 and 867.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,530.48 : 2,112.42 = 867.54 : x
2. Step 2: Convert to fraction form
   1,530.48/2,112.42 = 867.54/x
3. Step 3: Cross multiply
   1,530.48x = 2,112.42 × 867.54
4. Step 4: Simplify right side
   1,530.48x = 1,832,608.85
5. Step 5: Solve for x
   x = 1,832,608.85/1,530.48
6. Step 6: Final answer
   x = 1,197.41