Finding the Fourth Proportional to 2,100.24, 3,146.04 and 1,687.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.24 : 3,146.04 = 1,687.14 : x
2. Step 2: Convert to fraction form
   2,100.24/3,146.04 = 1,687.14/x
3. Step 3: Cross multiply
   2,100.24x = 3,146.04 × 1,687.14
4. Step 4: Simplify right side
   2,100.24x = 5,307,809.93
5. Step 5: Solve for x
   x = 5,307,809.93/2,100.24
6. Step 6: Final answer
   x = 2,527.24