Finding the Fourth Proportional to 10,438.27, 14,404.99 and 5,722.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,438.27 : 14,404.99 = 5,722.55 : x
2. Step 2: Convert to fraction form
   10,438.27/14,404.99 = 5,722.55/x
3. Step 3: Cross multiply
   10,438.27x = 14,404.99 × 5,722.55
4. Step 4: Simplify right side
   10,438.27x = 82,433,253.94
5. Step 5: Solve for x
   x = 82,433,253.94/10,438.27
6. Step 6: Final answer
   x = 7,897.22