Finding the Fourth Proportional to 6,614.82, 9,916.96 and 3,280.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,614.82 : 9,916.96 = 3,280.72 : x
2. Step 2: Convert to fraction form
   6,614.82/9,916.96 = 3,280.72/x
3. Step 3: Cross multiply
   6,614.82x = 9,916.96 × 3,280.72
4. Step 4: Simplify right side
   6,614.82x = 32,534,769.01
5. Step 5: Solve for x
   x = 32,534,769.01/6,614.82
6. Step 6: Final answer
   x = 4,918.47