Finding the Fourth Proportional to 4,196.99, 6,320.47 and 3,655.71

Step by Step Solution

1. Step 1: Write the proportion equation
   4,196.99 : 6,320.47 = 3,655.71 : x
2. Step 2: Convert to fraction form
   4,196.99/6,320.47 = 3,655.71/x
3. Step 3: Cross multiply
   4,196.99x = 6,320.47 × 3,655.71
4. Step 4: Simplify right side
   4,196.99x = 23,105,772.54
5. Step 5: Solve for x
   x = 23,105,772.54/4,196.99
6. Step 6: Final answer
   x = 5,505.32