Finding the Fourth Proportional to 10,438.39, 14,404.60 and 5,722.57

Step by Step Solution

1. Step 1: Write the proportion equation
   10,438.39 : 14,404.60 = 5,722.57 : x
2. Step 2: Convert to fraction form
   10,438.39/14,404.60 = 5,722.57/x
3. Step 3: Cross multiply
   10,438.39x = 14,404.60 × 5,722.57
4. Step 4: Simplify right side
   10,438.39x = 82,431,331.82
5. Step 5: Solve for x
   x = 82,431,331.82/10,438.39
6. Step 6: Final answer
   x = 7,896.94