Finding the Fourth Proportional to 10,438.40, 14,404.68 and 5,722.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,438.40 : 14,404.68 = 5,722.52 : x
2. Step 2: Convert to fraction form
   10,438.40/14,404.68 = 5,722.52/x
3. Step 3: Cross multiply
   10,438.40x = 14,404.68 × 5,722.52
4. Step 4: Simplify right side
   10,438.40x = 82,431,069.39
5. Step 5: Solve for x
   x = 82,431,069.39/10,438.40
6. Step 6: Final answer
   x = 7,896.91