Finding the Fourth Proportional to 10,423.69, 14,377.76 and 7,441.21

Step by Step Solution

1. Step 1: Write the proportion equation
   10,423.69 : 14,377.76 = 7,441.21 : x
2. Step 2: Convert to fraction form
   10,423.69/14,377.76 = 7,441.21/x
3. Step 3: Cross multiply
   10,423.69x = 14,377.76 × 7,441.21
4. Step 4: Simplify right side
   10,423.69x = 106,987,822.39
5. Step 5: Solve for x
   x = 106,987,822.39/10,423.69
6. Step 6: Final answer
   x = 10,263.92