Finding the Fourth Proportional to 2,587.96, 3,575.56 and 1,805.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,587.96 : 3,575.56 = 1,805.50 : x
2. Step 2: Convert to fraction form
   2,587.96/3,575.56 = 1,805.50/x
3. Step 3: Cross multiply
   2,587.96x = 3,575.56 × 1,805.50
4. Step 4: Simplify right side
   2,587.96x = 6,455,673.58
5. Step 5: Solve for x
   x = 6,455,673.58/2,587.96
6. Step 6: Final answer
   x = 2,494.50