Finding the Fourth Proportional to 2,107.45, 3,158.43 and 1,524.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,107.45 : 3,158.43 = 1,524.42 : x
2. Step 2: Convert to fraction form
   2,107.45/3,158.43 = 1,524.42/x
3. Step 3: Cross multiply
   2,107.45x = 3,158.43 × 1,524.42
4. Step 4: Simplify right side
   2,107.45x = 4,814,768.14
5. Step 5: Solve for x
   x = 4,814,768.14/2,107.45
6. Step 6: Final answer
   x = 2,284.64