Finding the Fourth Proportional to 1,559.61, 2,344.82 and 1,458.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,559.61 : 2,344.82 = 1,458.09 : x
2. Step 2: Convert to fraction form
   1,559.61/2,344.82 = 1,458.09/x
3. Step 3: Cross multiply
   1,559.61x = 2,344.82 × 1,458.09
4. Step 4: Simplify right side
   1,559.61x = 3,418,951.30
5. Step 5: Solve for x
   x = 3,418,951.30/1,559.61
6. Step 6: Final answer
   x = 2,192.18