Finding the Fourth Proportional to 1,530.27, 2,111.71 and 867.26

Step by Step Solution

1. Step 1: Write the proportion equation
   1,530.27 : 2,111.71 = 867.26 : x
2. Step 2: Convert to fraction form
   1,530.27/2,111.71 = 867.26/x
3. Step 3: Cross multiply
   1,530.27x = 2,111.71 × 867.26
4. Step 4: Simplify right side
   1,530.27x = 1,831,393.25
5. Step 5: Solve for x
   x = 1,831,393.25/1,530.27
6. Step 6: Final answer
   x = 1,196.78