Finding the Fourth Proportional to 2,523.72, 3,479.31 and 1,684.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,523.72 : 3,479.31 = 1,684.56 : x
2. Step 2: Convert to fraction form
   2,523.72/3,479.31 = 1,684.56/x
3. Step 3: Cross multiply
   2,523.72x = 3,479.31 × 1,684.56
4. Step 4: Simplify right side
   2,523.72x = 5,861,106.45
5. Step 5: Solve for x
   x = 5,861,106.45/2,523.72
6. Step 6: Final answer
   x = 2,322.41