Finding the Fourth Proportional to 6,632.88, 9,934.17 and 3,172.56

Step by Step Solution

1. Step 1: Write the proportion equation
   6,632.88 : 9,934.17 = 3,172.56 : x
2. Step 2: Convert to fraction form
   6,632.88/9,934.17 = 3,172.56/x
3. Step 3: Cross multiply
   6,632.88x = 9,934.17 × 3,172.56
4. Step 4: Simplify right side
   6,632.88x = 31,516,750.38
5. Step 5: Solve for x
   x = 31,516,750.38/6,632.88
6. Step 6: Final answer
   x = 4,751.59