Finding the Fourth Proportional to 2,101.32, 3,149.24 and 867.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,101.32 : 3,149.24 = 867.48 : x
2. Step 2: Convert to fraction form
   2,101.32/3,149.24 = 867.48/x
3. Step 3: Cross multiply
   2,101.32x = 3,149.24 × 867.48
4. Step 4: Simplify right side
   2,101.32x = 2,731,902.72
5. Step 5: Solve for x
   x = 2,731,902.72/2,101.32
6. Step 6: Final answer
   x = 1,300.09