Finding the Fourth Proportional to 6,510.56, 8,989.03 and 4,155.89

Step by Step Solution

1. Step 1: Write the proportion equation
   6,510.56 : 8,989.03 = 4,155.89 : x
2. Step 2: Convert to fraction form
   6,510.56/8,989.03 = 4,155.89/x
3. Step 3: Cross multiply
   6,510.56x = 8,989.03 × 4,155.89
4. Step 4: Simplify right side
   6,510.56x = 37,357,419.89
5. Step 5: Solve for x
   x = 37,357,419.89/6,510.56
6. Step 6: Final answer
   x = 5,737.97