Finding the Fourth Proportional to 6,510.72, 8,983.20 and 3,858.76

Step by Step Solution

1. Step 1: Write the proportion equation
   6,510.72 : 8,983.20 = 3,858.76 : x
2. Step 2: Convert to fraction form
   6,510.72/8,983.20 = 3,858.76/x
3. Step 3: Cross multiply
   6,510.72x = 8,983.20 × 3,858.76
4. Step 4: Simplify right side
   6,510.72x = 34,664,012.83
5. Step 5: Solve for x
   x = 34,664,012.83/6,510.72
6. Step 6: Final answer
   x = 5,324.14