Finding the Fourth Proportional to 1,682.50, 2,322.15 and 1,608.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,682.50 : 2,322.15 = 1,608.70 : x
2. Step 2: Convert to fraction form
   1,682.50/2,322.15 = 1,608.70/x
3. Step 3: Cross multiply
   1,682.50x = 2,322.15 × 1,608.70
4. Step 4: Simplify right side
   1,682.50x = 3,735,642.71
5. Step 5: Solve for x
   x = 3,735,642.71/1,682.50
6. Step 6: Final answer
   x = 2,220.29