Finding the Fourth Proportional to 17,156.25, 25,731.69 and 6,624.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,156.25 : 25,731.69 = 6,624.72 : x
2. Step 2: Convert to fraction form
   17,156.25/25,731.69 = 6,624.72/x
3. Step 3: Cross multiply
   17,156.25x = 25,731.69 × 6,624.72
4. Step 4: Simplify right side
   17,156.25x = 170,465,241.38
5. Step 5: Solve for x
   x = 170,465,241.38/17,156.25
6. Step 6: Final answer
   x = 9,936.04