Finding the Fourth Proportional to 6,510.28, 8,986.18 and 5,635.48

Step by Step Solution

1. Step 1: Write the proportion equation
   6,510.28 : 8,986.18 = 5,635.48 : x
2. Step 2: Convert to fraction form
   6,510.28/8,986.18 = 5,635.48/x
3. Step 3: Cross multiply
   6,510.28x = 8,986.18 × 5,635.48
4. Step 4: Simplify right side
   6,510.28x = 50,641,437.67
5. Step 5: Solve for x
   x = 50,641,437.67/6,510.28
6. Step 6: Final answer
   x = 7,778.69