Finding the Fourth Proportional to 10,438.40, 14,404.89 and 5,722.67

Step by Step Solution

1. Step 1: Write the proportion equation
   10,438.40 : 14,404.89 = 5,722.67 : x
2. Step 2: Convert to fraction form
   10,438.40/14,404.89 = 5,722.67/x
3. Step 3: Cross multiply
   10,438.40x = 14,404.89 × 5,722.67
4. Step 4: Simplify right side
   10,438.40x = 82,434,431.86
5. Step 5: Solve for x
   x = 82,434,431.86/10,438.40
6. Step 6: Final answer
   x = 7,897.23