Finding the Fourth Proportional to 2,100.06, 3,150.99 and 868.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.06 : 3,150.99 = 868.37 : x
2. Step 2: Convert to fraction form
   2,100.06/3,150.99 = 868.37/x
3. Step 3: Cross multiply
   2,100.06x = 3,150.99 × 868.37
4. Step 4: Simplify right side
   2,100.06x = 2,736,209.43
5. Step 5: Solve for x
   x = 2,736,209.43/2,100.06
6. Step 6: Final answer
   x = 1,302.92