Finding the Fourth Proportional to 4,080.70, 5,724.50 and 4,080.70

Step by Step Solution

1. Step 1: Write the proportion equation
   4,080.70 : 5,724.50 = 4,080.70 : x
2. Step 2: Convert to fraction form
   4,080.70/5,724.50 = 4,080.70/x
3. Step 3: Cross multiply
   4,080.70x = 5,724.50 × 4,080.70
4. Step 4: Simplify right side
   4,080.70x = 23,359,967.15
5. Step 5: Solve for x
   x = 23,359,967.15/4,080.70
6. Step 6: Final answer
   x = 5,724.50