Finding the Fourth Proportional to 2,634.90, 3,635.55 and 1,586.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,634.90 : 3,635.55 = 1,586.94 : x
2. Step 2: Convert to fraction form
   2,634.90/3,635.55 = 1,586.94/x
3. Step 3: Cross multiply
   2,634.90x = 3,635.55 × 1,586.94
4. Step 4: Simplify right side
   2,634.90x = 5,769,399.72
5. Step 5: Solve for x
   x = 5,769,399.72/2,634.90
6. Step 6: Final answer
   x = 2,189.61