Finding the Fourth Proportional to 5,569.43, 8,356.86 and 3,936.47

Step by Step Solution

1. Step 1: Write the proportion equation
   5,569.43 : 8,356.86 = 3,936.47 : x
2. Step 2: Convert to fraction form
   5,569.43/8,356.86 = 3,936.47/x
3. Step 3: Cross multiply
   5,569.43x = 8,356.86 × 3,936.47
4. Step 4: Simplify right side
   5,569.43x = 32,896,486.90
5. Step 5: Solve for x
   x = 32,896,486.90/5,569.43
6. Step 6: Final answer
   x = 5,906.62