Finding the Fourth Proportional to 2,642.82, 3,647.14 and 1,523.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,642.82 : 3,647.14 = 1,523.57 : x
2. Step 2: Convert to fraction form
   2,642.82/3,647.14 = 1,523.57/x
3. Step 3: Cross multiply
   2,642.82x = 3,647.14 × 1,523.57
4. Step 4: Simplify right side
   2,642.82x = 5,556,673.09
5. Step 5: Solve for x
   x = 5,556,673.09/2,642.82
6. Step 6: Final answer
   x = 2,102.55