Finding the Fourth Proportional to 5,196.45, 7,171.50 and 2,959.03

Step by Step Solution

1. Step 1: Write the proportion equation
   5,196.45 : 7,171.50 = 2,959.03 : x
2. Step 2: Convert to fraction form
   5,196.45/7,171.50 = 2,959.03/x
3. Step 3: Cross multiply
   5,196.45x = 7,171.50 × 2,959.03
4. Step 4: Simplify right side
   5,196.45x = 21,220,703.71
5. Step 5: Solve for x
   x = 21,220,703.71/5,196.45
6. Step 6: Final answer
   x = 4,083.69