Finding the Fourth Proportional to 2,522.70, 3,481.43 and 1,527.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,522.70 : 3,481.43 = 1,527.42 : x
2. Step 2: Convert to fraction form
   2,522.70/3,481.43 = 1,527.42/x
3. Step 3: Cross multiply
   2,522.70x = 3,481.43 × 1,527.42
4. Step 4: Simplify right side
   2,522.70x = 5,317,605.81
5. Step 5: Solve for x
   x = 5,317,605.81/2,522.70
6. Step 6: Final answer
   x = 2,107.90