Finding the Fourth Proportional to 1,859.43, 2,559.57 and 1,607.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,859.43 : 2,559.57 = 1,607.24 : x
2. Step 2: Convert to fraction form
   1,859.43/2,559.57 = 1,607.24/x
3. Step 3: Cross multiply
   1,859.43x = 2,559.57 × 1,607.24
4. Step 4: Simplify right side
   1,859.43x = 4,113,843.29
5. Step 5: Solve for x
   x = 4,113,843.29/1,859.43
6. Step 6: Final answer
   x = 2,212.42