Finding the Fourth Proportional to 2,483.79, 3,426.34 and 1,687.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,483.79 : 3,426.34 = 1,687.16 : x
2. Step 2: Convert to fraction form
   2,483.79/3,426.34 = 1,687.16/x
3. Step 3: Cross multiply
   2,483.79x = 3,426.34 × 1,687.16
4. Step 4: Simplify right side
   2,483.79x = 5,780,783.79
5. Step 5: Solve for x
   x = 5,780,783.79/2,483.79
6. Step 6: Final answer
   x = 2,327.40