Finding the Fourth Proportional to 2,097.42, 3,143.70 and 1,687.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,097.42 : 3,143.70 = 1,687.02 : x
2. Step 2: Convert to fraction form
   2,097.42/3,143.70 = 1,687.02/x
3. Step 3: Cross multiply
   2,097.42x = 3,143.70 × 1,687.02
4. Step 4: Simplify right side
   2,097.42x = 5,303,484.77
5. Step 5: Solve for x
   x = 5,303,484.77/2,097.42
6. Step 6: Final answer
   x = 2,528.58