Finding the Fourth Proportional to 5,426.37, 8,124.15 and 3,571.89

Step by Step Solution

1. Step 1: Write the proportion equation
   5,426.37 : 8,124.15 = 3,571.89 : x
2. Step 2: Convert to fraction form
   5,426.37/8,124.15 = 3,571.89/x
3. Step 3: Cross multiply
   5,426.37x = 8,124.15 × 3,571.89
4. Step 4: Simplify right side
   5,426.37x = 29,018,570.14
5. Step 5: Solve for x
   x = 29,018,570.14/5,426.37
6. Step 6: Final answer
   x = 5,347.69