Finding the Fourth Proportional to 2,975.67, 4,443.96 and 2,391.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,975.67 : 4,443.96 = 2,391.56 : x
2. Step 2: Convert to fraction form
   2,975.67/4,443.96 = 2,391.56/x
3. Step 3: Cross multiply
   2,975.67x = 4,443.96 × 2,391.56
4. Step 4: Simplify right side
   2,975.67x = 10,627,996.98
5. Step 5: Solve for x
   x = 10,627,996.98/2,975.67
6. Step 6: Final answer
   x = 3,571.63