Finding the Fourth Proportional to 5,443.20, 7,505.97 and 3,849.12

Step by Step Solution

1. Step 1: Write the proportion equation
   5,443.20 : 7,505.97 = 3,849.12 : x
2. Step 2: Convert to fraction form
   5,443.20/7,505.97 = 3,849.12/x
3. Step 3: Cross multiply
   5,443.20x = 7,505.97 × 3,849.12
4. Step 4: Simplify right side
   5,443.20x = 28,891,364.81
5. Step 5: Solve for x
   x = 28,891,364.81/5,443.20
6. Step 6: Final answer
   x = 5,307.79