Finding the Fourth Proportional to 2,650.66, 3,656.55 and 1,587.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,650.66 : 3,656.55 = 1,587.58 : x
2. Step 2: Convert to fraction form
   2,650.66/3,656.55 = 1,587.58/x
3. Step 3: Cross multiply
   2,650.66x = 3,656.55 × 1,587.58
4. Step 4: Simplify right side
   2,650.66x = 5,805,065.65
5. Step 5: Solve for x
   x = 5,805,065.65/2,650.66
6. Step 6: Final answer
   x = 2,190.05