Finding the Fourth Proportional to 1,723.18, 2,587.60 and 1,635.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,723.18 : 2,587.60 = 1,635.54 : x
2. Step 2: Convert to fraction form
   1,723.18/2,587.60 = 1,635.54/x
3. Step 3: Cross multiply
   1,723.18x = 2,587.60 × 1,635.54
4. Step 4: Simplify right side
   1,723.18x = 4,232,123.30
5. Step 5: Solve for x
   x = 4,232,123.30/1,723.18
6. Step 6: Final answer
   x = 2,456.00