Finding the Fourth Proportional to 2,642.76, 3,647.23 and 1,523.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,642.76 : 3,647.23 = 1,523.81 : x
2. Step 2: Convert to fraction form
   2,642.76/3,647.23 = 1,523.81/x
3. Step 3: Cross multiply
   2,642.76x = 3,647.23 × 1,523.81
4. Step 4: Simplify right side
   2,642.76x = 5,557,690.85
5. Step 5: Solve for x
   x = 5,557,690.85/2,642.76
6. Step 6: Final answer
   x = 2,102.99