Finding the Fourth Proportional to 9,021.42, 12,449.53 and 5,042.53

Step by Step Solution

1. Step 1: Write the proportion equation
   9,021.42 : 12,449.53 = 5,042.53 : x
2. Step 2: Convert to fraction form
   9,021.42/12,449.53 = 5,042.53/x
3. Step 3: Cross multiply
   9,021.42x = 12,449.53 × 5,042.53
4. Step 4: Simplify right side
   9,021.42x = 62,777,103.30
5. Step 5: Solve for x
   x = 62,777,103.30/9,021.42
6. Step 6: Final answer
   x = 6,958.67