Finding the Fourth Proportional to 8,340.80, 11,510.37 and 5,196.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,340.80 : 11,510.37 = 5,196.38 : x
2. Step 2: Convert to fraction form
   8,340.80/11,510.37 = 5,196.38/x
3. Step 3: Cross multiply
   8,340.80x = 11,510.37 × 5,196.38
4. Step 4: Simplify right side
   8,340.80x = 59,812,198.91
5. Step 5: Solve for x
   x = 59,812,198.91/8,340.80
6. Step 6: Final answer
   x = 7,171.04