Finding the Fourth Proportional to 5,443.79, 7,504.37 and 4,247.42

Step by Step Solution

1. Step 1: Write the proportion equation
   5,443.79 : 7,504.37 = 4,247.42 : x
2. Step 2: Convert to fraction form
   5,443.79/7,504.37 = 4,247.42/x
3. Step 3: Cross multiply
   5,443.79x = 7,504.37 × 4,247.42
4. Step 4: Simplify right side
   5,443.79x = 31,874,168.39
5. Step 5: Solve for x
   x = 31,874,168.39/5,443.79
6. Step 6: Final answer
   x = 5,855.15