Finding the Fourth Proportional to 2,649.56, 3,653.87 and 1,587.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,649.56 : 3,653.87 = 1,587.15 : x
2. Step 2: Convert to fraction form
   2,649.56/3,653.87 = 1,587.15/x
3. Step 3: Cross multiply
   2,649.56x = 3,653.87 × 1,587.15
4. Step 4: Simplify right side
   2,649.56x = 5,799,231.83
5. Step 5: Solve for x
   x = 5,799,231.83/2,649.56
6. Step 6: Final answer
   x = 2,188.76