Finding the Fourth Proportional to 1,716.72, 2,558.56 and 1,702.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,716.72 : 2,558.56 = 1,702.42 : x
2. Step 2: Convert to fraction form
   1,716.72/2,558.56 = 1,702.42/x
3. Step 3: Cross multiply
   1,716.72x = 2,558.56 × 1,702.42
4. Step 4: Simplify right side
   1,716.72x = 4,355,743.72
5. Step 5: Solve for x
   x = 4,355,743.72/1,716.72
6. Step 6: Final answer
   x = 2,537.25