Finding the Fourth Proportional to 4,152.28, 5,726.46 and 4,131.60

Step by Step Solution

1. Step 1: Write the proportion equation
   4,152.28 : 5,726.46 = 4,131.60 : x
2. Step 2: Convert to fraction form
   4,152.28/5,726.46 = 4,131.60/x
3. Step 3: Cross multiply
   4,152.28x = 5,726.46 × 4,131.60
4. Step 4: Simplify right side
   4,152.28x = 23,659,442.14
5. Step 5: Solve for x
   x = 23,659,442.14/4,152.28
6. Step 6: Final answer
   x = 5,697.94