Finding the Fourth Proportional to 11,747.42, 17,622.76 and 3,958.46

Step by Step Solution

1. Step 1: Write the proportion equation
   11,747.42 : 17,622.76 = 3,958.46 : x
2. Step 2: Convert to fraction form
   11,747.42/17,622.76 = 3,958.46/x
3. Step 3: Cross multiply
   11,747.42x = 17,622.76 × 3,958.46
4. Step 4: Simplify right side
   11,747.42x = 69,758,990.55
5. Step 5: Solve for x
   x = 69,758,990.55/11,747.42
6. Step 6: Final answer
   x = 5,938.24