Finding the Fourth Proportional to 3,942.86, 5,441.10 and 2,174.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,942.86 : 5,441.10 = 2,174.52 : x
2. Step 2: Convert to fraction form
   3,942.86/5,441.10 = 2,174.52/x
3. Step 3: Cross multiply
   3,942.86x = 5,441.10 × 2,174.52
4. Step 4: Simplify right side
   3,942.86x = 11,831,780.77
5. Step 5: Solve for x
   x = 11,831,780.77/3,942.86
6. Step 6: Final answer
   x = 3,000.81