Finding the Fourth Proportional to 5,571.42, 7,681.95 and 3,582.06

Step by Step Solution

1. Step 1: Write the proportion equation
   5,571.42 : 7,681.95 = 3,582.06 : x
2. Step 2: Convert to fraction form
   5,571.42/7,681.95 = 3,582.06/x
3. Step 3: Cross multiply
   5,571.42x = 7,681.95 × 3,582.06
4. Step 4: Simplify right side
   5,571.42x = 27,517,205.82
5. Step 5: Solve for x
   x = 27,517,205.82/5,571.42
6. Step 6: Final answer
   x = 4,938.99