Finding the Fourth Proportional to 12,662.04, 17,472.71 and 6,996.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,662.04 : 17,472.71 = 6,996.72 : x
2. Step 2: Convert to fraction form
   12,662.04/17,472.71 = 6,996.72/x
3. Step 3: Cross multiply
   12,662.04x = 17,472.71 × 6,996.72
4. Step 4: Simplify right side
   12,662.04x = 122,251,624.53
5. Step 5: Solve for x
   x = 122,251,624.53/12,662.04
6. Step 6: Final answer
   x = 9,654.97