Finding the Fourth Proportional to 4,147.55, 5,720.83 and 2,952.45

Step by Step Solution

1. Step 1: Write the proportion equation
   4,147.55 : 5,720.83 = 2,952.45 : x
2. Step 2: Convert to fraction form
   4,147.55/5,720.83 = 2,952.45/x
3. Step 3: Cross multiply
   4,147.55x = 5,720.83 × 2,952.45
4. Step 4: Simplify right side
   4,147.55x = 16,890,457.15
5. Step 5: Solve for x
   x = 16,890,457.15/4,147.55
6. Step 6: Final answer
   x = 4,072.39