Finding the Fourth Proportional to 10,662.12, 14,696.10 and 7,124.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,662.12 : 14,696.10 = 7,124.04 : x
2. Step 2: Convert to fraction form
   10,662.12/14,696.10 = 7,124.04/x
3. Step 3: Cross multiply
   10,662.12x = 14,696.10 × 7,124.04
4. Step 4: Simplify right side
   10,662.12x = 104,695,604.24
5. Step 5: Solve for x
   x = 104,695,604.24/10,662.12
6. Step 6: Final answer
   x = 9,819.40