Finding the Fourth Proportional to 8,916.16, 13,371.52 and 3,720.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,916.16 : 13,371.52 = 3,720.82 : x
2. Step 2: Convert to fraction form
   8,916.16/13,371.52 = 3,720.82/x
3. Step 3: Cross multiply
   8,916.16x = 13,371.52 × 3,720.82
4. Step 4: Simplify right side
   8,916.16x = 49,753,019.05
5. Step 5: Solve for x
   x = 49,753,019.05/8,916.16
6. Step 6: Final answer
   x = 5,580.09