Finding the Fourth Proportional to 3,634.94, 5,019.01 and 2,642.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,634.94 : 5,019.01 = 2,642.59 : x
2. Step 2: Convert to fraction form
   3,634.94/5,019.01 = 2,642.59/x
3. Step 3: Cross multiply
   3,634.94x = 5,019.01 × 2,642.59
4. Step 4: Simplify right side
   3,634.94x = 13,263,185.64
5. Step 5: Solve for x
   x = 13,263,185.64/3,634.94
6. Step 6: Final answer
   x = 3,648.80