Finding the Fourth Proportional to 10,669.62, 14,706.45 and 7,131.54

Step by Step Solution

1. Step 1: Write the proportion equation
   10,669.62 : 14,706.45 = 7,131.54 : x
2. Step 2: Convert to fraction form
   10,669.62/14,706.45 = 7,131.54/x
3. Step 3: Cross multiply
   10,669.62x = 14,706.45 × 7,131.54
4. Step 4: Simplify right side
   10,669.62x = 104,879,636.43
5. Step 5: Solve for x
   x = 104,879,636.43/10,669.62
6. Step 6: Final answer
   x = 9,829.74