Finding the Fourth Proportional to 2,100.14, 3,151.63 and 867.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.14 : 3,151.63 = 867.53 : x
2. Step 2: Convert to fraction form
   2,100.14/3,151.63 = 867.53/x
3. Step 3: Cross multiply
   2,100.14x = 3,151.63 × 867.53
4. Step 4: Simplify right side
   2,100.14x = 2,734,115.65
5. Step 5: Solve for x
   x = 2,734,115.65/2,100.14
6. Step 6: Final answer
   x = 1,301.87