Finding the Fourth Proportional to 2,100.33, 3,150.63 and 867.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.33 : 3,150.63 = 867.51 : x
2. Step 2: Convert to fraction form
   2,100.33/3,150.63 = 867.51/x
3. Step 3: Cross multiply
   2,100.33x = 3,150.63 × 867.51
4. Step 4: Simplify right side
   2,100.33x = 2,733,203.03
5. Step 5: Solve for x
   x = 2,733,203.03/2,100.33
6. Step 6: Final answer
   x = 1,301.32