Finding the Fourth Proportional to 6,570.49, 9,065.57 and 3,916.02

Step by Step Solution

1. Step 1: Write the proportion equation
   6,570.49 : 9,065.57 = 3,916.02 : x
2. Step 2: Convert to fraction form
   6,570.49/9,065.57 = 3,916.02/x
3. Step 3: Cross multiply
   6,570.49x = 9,065.57 × 3,916.02
4. Step 4: Simplify right side
   6,570.49x = 35,500,953.43
5. Step 5: Solve for x
   x = 35,500,953.43/6,570.49
6. Step 6: Final answer
   x = 5,403.09