Finding the Fourth Proportional to 3,942.76, 5,441.16 and 2,174.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,942.76 : 5,441.16 = 2,174.56 : x
2. Step 2: Convert to fraction form
   3,942.76/5,441.16 = 2,174.56/x
3. Step 3: Cross multiply
   3,942.76x = 5,441.16 × 2,174.56
4. Step 4: Simplify right side
   3,942.76x = 11,832,128.89
5. Step 5: Solve for x
   x = 11,832,128.89/3,942.76
6. Step 6: Final answer
   x = 3,000.98