Finding the Fourth Proportional to 3,941.33, 5,438.32 and 2,428.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,941.33 : 5,438.32 = 2,428.34 : x
2. Step 2: Convert to fraction form
   3,941.33/5,438.32 = 2,428.34/x
3. Step 3: Cross multiply
   3,941.33x = 5,438.32 × 2,428.34
4. Step 4: Simplify right side
   3,941.33x = 13,206,056.73
5. Step 5: Solve for x
   x = 13,206,056.73/3,941.33
6. Step 6: Final answer
   x = 3,350.66