Finding the Fourth Proportional to 5,320.25, 7,342.24 and 3,196.43

Step by Step Solution

1. Step 1: Write the proportion equation
   5,320.25 : 7,342.24 = 3,196.43 : x
2. Step 2: Convert to fraction form
   5,320.25/7,342.24 = 3,196.43/x
3. Step 3: Cross multiply
   5,320.25x = 7,342.24 × 3,196.43
4. Step 4: Simplify right side
   5,320.25x = 23,468,919.49
5. Step 5: Solve for x
   x = 23,468,919.49/5,320.25
6. Step 6: Final answer
   x = 4,411.25