Finding the Fourth Proportional to 1,530.46, 2,112.01 and 867.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,530.46 : 2,112.01 = 867.30 : x
2. Step 2: Convert to fraction form
   1,530.46/2,112.01 = 867.30/x
3. Step 3: Cross multiply
   1,530.46x = 2,112.01 × 867.30
4. Step 4: Simplify right side
   1,530.46x = 1,831,746.27
5. Step 5: Solve for x
   x = 1,831,746.27/1,530.46
6. Step 6: Final answer
   x = 1,196.86